| Clean energy org. | 
            Universal | 
            28 Oct 2025 | 
          
          
            | Ecol. watchdog | 
            Eugene Sheffer | 
            24 Oct 2025 | 
          
          
            | Walter Peck's employer, in Ghostbusters | 
             | 
             | 
          
          
            | Clean water org. | 
            New York Times | 
            22 Oct 2025 | 
          
          
            | Govt. pollution watchdog | 
            Universal | 
            22 Oct 2025 | 
          
          
            | Clean Air Act org. | 
            USA Today | 
            21 Oct 2025 | 
          
          
            | AQI-monitoring organization: Abbr. | 
             | 
             | 
          
          
            | Air quality monitoring organization: Abbr. | 
             | 
             | 
          
          
            | A.Q.I. measurer | 
            New York Times | 
            10 Oct 2025 | 
          
          
            | Clean air org. | 
            Eugene Sheffer | 
            09 Oct 2025 | 
          
          
            | "Clean Air Act" organization: Abbr. | 
             | 
             | 
          
          
            | Antipollution agency: Abbr. | 
             | 
             | 
          
          
            | Ecol. watchdog | 
            Eugene Sheffer | 
            02 Oct 2025 | 
          
          
            | Clean air watchdog: Abbr. | 
            Commuter | 
            01 Oct 2025 | 
          
          
            | Org. that measures A.Q.I. | 
            New York Times | 
            26 Sep 2025 | 
          
          
            | "Clean Air Act" organization: Abbr. | 
             | 
             | 
          
          
            | Clean Air Act org. | 
            Universal | 
            17 Sep 2025 | 
          
          
            | Org. with an Office of Water | 
            USA Today | 
            12 Sep 2025 | 
          
          
            | Clean air org. | 
            Eugene Sheffer | 
            11 Sep 2025 | 
          
          
            | Org. concerned with pollution | 
            Universal | 
            08 Sep 2025 | 
          
          
            | Pesticide regulator, in brief | 
            New York Times | 
            08 Sep 2025 | 
          
          
            | Clean air org. | 
            Eugene Sheffer | 
            28 Aug 2025 | 
          
          
            | UV Index monitor | 
            Newsday | 
            21 Aug 2025 | 
          
          
            | Pollution control group: Abbr. | 
             | 
             | 
          
          
            | Group with pollution standards: Abbr. | 
            Commuter | 
            14 Aug 2025 | 
          
          
            | Ecol. watchdog | 
            Eugene Sheffer | 
            11 Aug 2025 | 
          
          
            | Pollution-monitoring org. | 
            Wall Street Journal | 
            04 Aug 2025 | 
          
          
            | Clean air org. | 
            Eugene Sheffer | 
            31 Jul 2025 | 
          
          
            | Anti-pollution org. | 
            Wall Street Journal | 
            30 Jul 2025 | 
          
          
            | Clean air, green organization: Abbr. | 
             | 
             | 
          
          
            | Ecol. watchdog | 
            Eugene Sheffer | 
            25 Jul 2025 | 
          
          
            | Ecol. watchdog | 
            Eugene Sheffer | 
            24 Jul 2025 | 
          
          
            | Pollution control group: Abbr. | 
             | 
             | 
          
          
            | UV index monitor | 
            Premier Sunday | 
            20 Jul 2025 | 
          
          
            | MPG rating agency | 
            Newsday | 
            20 Jul 2025 | 
          
          
            | One of its letters stands for "Protection" (abbr.) | 
             | 
             | 
          
          
            | Clean air org. | 
            Eugene Sheffer | 
            17 Jul 2025 | 
          
          
            | Org. fighting pollution | 
            Premier Sunday | 
            13 Jul 2025 | 
          
          
            | Org. concerned with ozone depletion | 
            New York Times | 
            06 Jul 2025 | 
          
          
            | "Clean Air Act" organization: Abbr. | 
             | 
             | 
          
          
            | Org. with toxicologists | 
            New York Times | 
            28 Jun 2025 | 
          
          
            | President Nixon established it in 1970 | 
             | 
             | 
          
          
            | Org. measuring air quality | 
            Wall Street Journal | 
            07 Jun 2025 | 
          
          
            | Ecol. watchdog | 
            Eugene Sheffer | 
            06 Jun 2025 | 
          
          
            | Ecol. watchdog | 
            Eugene Sheffer | 
            02 Jun 2025 | 
          
          
            | Lake chlorophyll monitor | 
            Newsday | 
            31 May 2025 | 
          
          
            | DDT banner | 
            New York Times | 
            27 May 2025 | 
          
          
            | Clean drinking water agcy. | 
             | 
             | 
          
          
            | MPG monitor | 
            Newsday | 
            22 May 2025 | 
          
          
            | Clean air org. | 
            LA Times Daily | 
            19 May 2025 | 
          
          
            | Clean water org. | 
            New York Times Mini | 
            09 May 2025 | 
          
          
            | Org. with a Household Carbon Footprint Calculator | 
            USA Today | 
            07 May 2025 | 
          
          
            | Org. that regulate: herbicides | 
             | 
             | 
          
          
            | Org. that regulates herbicides | 
            USA Today | 
            05 May 2025 | 
          
          
            | Anti-pollution organization: Abbr. | 
             | 
             | 
          
          
            | UV Index monitor | 
            Newsday | 
            24 Apr 2025 | 
          
          
            | Group that monitors climate change: Abbr. | 
             | 
             | 
          
          
            | Clean Air Act org. | 
            LA Times Daily | 
            22 Apr 2025 | 
          
          
            | Emissions-monitoring org. | 
            Wall Street Journal | 
            17 Apr 2025 | 
          
          
            | MPG calculating org. | 
             | 
             | 
          
          
            | Air quality-monitoring organization: Abbr. | 
             | 
             | 
          
          
            | Clean Water Act org. | 
            Wall Street Journal | 
            15 Apr 2025 | 
          
          
            | Water-testing org. | 
            New York Times | 
            15 Apr 2025 | 
          
          
            | Org. portrayed as villainous in "The Simpsons Movie" | 
             | 
             | 
          
          
            | Green grp. | 
            TV | 
            13 Apr 2025 | 
          
          
            | Clean Air Act org. | 
            USA Today | 
            13 Apr 2025 | 
          
          
            | DC water watcher | 
            Newsday | 
            13 Apr 2025 | 
          
          
            | Org. that assesses "forever chemicals" | 
             | 
             | 
          
          
            | Clean air org. | 
            Eugene Sheffer | 
            02 Apr 2025 | 
          
          
            | Clean-air dept. | 
             | 
             | 
          
          
            | Ecological org. established by Nixon (abbr.) | 
             | 
             | 
          
          
            | Govt. agency promoting "greener living" | 
             | 
             | 
          
          
            | Clean-water grp. | 
             | 
             | 
          
          
            | Org. that regulates "forever chemicals" | 
            Universal | 
            23 Mar 2025 | 
          
          
            | Govt. green group | 
             | 
             | 
          
          
            | Organization concerned with global warming: Abbr. | 
             | 
             | 
          
          
            | Its current administrator is Lee Zeldin: Abbr. | 
             | 
             | 
          
          
            | Federal org. with a flower logo (abbr.) | 
             | 
             | 
          
          
            | Government bureau gone amok in "The Simpsons Movie" | 
             | 
             | 
          
          
            | "The Simpsons Movie" org. (abbr.) | 
             | 
             | 
          
          
            | Org. established eight months after the first Earth Day in 1970 | 
             | 
             | 
          
          
            | Green org. | 
            USA Today | 
            03 Mar 2025 | 
          
          
            | Green grp. | 
            New York Times | 
            01 Mar 2025 | 
          
          
            | Ecol. watchdog | 
            Eugene Sheffer | 
            28 Feb 2025 | 
          
          
            | Clean Water Act org. | 
            USA Today | 
            28 Feb 2025 | 
          
          
            | Eco-watchdog | 
            Wall Street Journal | 
            26 Feb 2025 | 
          
          
            | Org. with the Acid Rain Program | 
            New York Times | 
            26 Feb 2025 | 
          
          
            | Clean air org. | 
            Eugene Sheffer | 
            24 Feb 2025 | 
          
          
            | Antipollution organization: Abbr. | 
             | 
             | 
          
          
            | Air quality agency: Abbr. | 
            Commuter | 
            22 Feb 2025 | 
          
          
            | Antipollution organization: Abbr. | 
             | 
             | 
          
          
            | UV index monitor | 
            Newsday | 
            13 Feb 2025 | 
          
          
            | Air quality org. | 
            New York Times | 
            06 Feb 2025 | 
          
          
            | AQI-monitoring organization | 
             | 
             | 
          
          
            | Org. that regulates "forever chemicals" | 
            New York Times | 
            04 Feb 2025 | 
          
          
            | Radon-testing org. | 
             | 
             | 
          
          
            | Clean Air Act org. | 
            USA Today | 
            31 Jan 2025 | 
          
          
            | Ecol. watchdog | 
            LA Times Daily | 
            30 Jan 2025 | 
          
          
            | Ecol. watchdog | 
            Eugene Sheffer | 
            28 Jan 2025 | 
          
          
            | Federal ecology group: Abbr. | 
            Newsday | 
            27 Jan 2025 | 
          
          
            | Org. concerned with clean air and water | 
            New York Times Mini | 
            18 Jan 2025 | 
          
          
            | Clean air org. | 
            Eugene Sheffer | 
            17 Jan 2025 | 
          
          
            | Antipollution org. | 
            Universal | 
            15 Jan 2025 | 
          
          
            | Govt. org. employing ecologists | 
            LA Times Daily | 
            14 Jan 2025 | 
          
          
            | Org. that helped phase out CFCs | 
            New York Times | 
            14 Jan 2025 | 
          
          
            | Clean water org. | 
            LA Times Daily | 
            13 Jan 2025 | 
          
          
            | Org. concerned with climate change | 
            Universal | 
            10 Jan 2025 | 
          
          
            | Clean Air Act org. | 
            Universal | 
            05 Jan 2025 | 
          
          
            | Clean energy org. | 
            Wall Street Journal | 
            04 Jan 2025 | 
          
          
            | UV Index app provider | 
            Newsday | 
            03 Jan 2025 | 
          
          
            | Superfund org. | 
            Wall Street Journal | 
            02 Jan 2025 | 
          
          
            | Ecol. watchdog | 
            Eugene Sheffer | 
            01 Jan 2025 | 
          
          
            | Agcy. concerned with pollution | 
             | 
             | 
          
          
            | MPG monitor | 
            Newsday | 
            19 Dec 2024 | 
          
          
            | Clean air org. | 
            LA Times Daily | 
            17 Dec 2024 | 
          
          
            | AQI monitor | 
            LA Times Daily | 
            13 Dec 2024 | 
          
          
            | Air quality agency: Abbr. | 
            Commuter | 
            07 Dec 2024 | 
          
          
            | Ecol. watchdog | 
            Eugene Sheffer | 
            07 Dec 2024 | 
          
          
            | Org. with an Office of Water | 
            Wall Street Journal | 
            30 Nov 2024 | 
          
          
            | Clean Water Act org. | 
            USA Today | 
            27 Nov 2024 | 
          
          
            | Org. that banned the pesticide DCPA in 2024 | 
             | 
             | 
          
          
            | Org. fining polluters | 
            Premier Sunday | 
            24 Nov 2024 | 
          
          
            | Clean air org. | 
            Eugene Sheffer | 
            23 Nov 2024 | 
          
          
            | Smog-monitoring org. | 
            Wall Street Journal | 
            19 Nov 2024 | 
          
          
            | Org. launched by Nixon (abbr.) | 
             | 
             | 
          
          
            | Org. concerned with car emission: | 
             | 
             | 
          
          
            | Org. concerned with car emissions | 
            USA Today | 
            16 Nov 2024 | 
          
          
            | Ecol. watchdog | 
            Eugene Sheffer | 
            12 Nov 2024 | 
          
          
            | Clean air agcy. | 
            Newsday | 
            10 Nov 2024 | 
          
          
            | Clean Water Act org. | 
            Thomas Joseph | 
            05 Nov 2024 | 
          
          
            | Nixon established it in 1970, for short | 
            New York Times | 
            01 Nov 2024 | 
          
          
            | Org. that monitors smog | 
            Universal | 
            28 Oct 2024 | 
          
          
            | MPG monitor | 
            Newsday | 
            27 Oct 2024 | 
          
          
            | Org. employing Walter Peck in "Ghostbusters" (abbr.) | 
             | 
             | 
          
          
            | Clean air org. | 
            Eugene Sheffer | 
            18 Oct 2024 | 
          
          
            | Pollution monitoring org. | 
            Newsday | 
            17 Oct 2024 | 
          
          
            | Pollution control grp. | 
            USA Today | 
            15 Oct 2024 | 
          
          
            | Environmental Protection Agency (1.1.1.) | 
             | 
             | 
          
          
            | Environmental grp. | 
             | 
             | 
          
          
            | Environmental agency (1,1,1) | 
             | 
             | 
          
          
            | Pollution-regulating org. | 
            New York Times | 
            22 Sep 2024 | 
          
          
            | Water quality org. | 
            Premier Sunday | 
            22 Sep 2024 | 
          
          
            | Government org. whose name is 60-Down backwards | 
             | 
             | 
          
          
            | "Clean Air Act" organization: Abbr. | 
             | 
             | 
          
          
            | Org. with a two-leaved flower logo | 
            Wall Street Journal | 
            19 Sep 2024 | 
          
          
            | Environmental agcy. | 
             | 
             | 
          
          
            | AQI org. | 
            USA Today | 
            17 Sep 2024 | 
          
          
            | Group associated with the Clean Water Act: Abbr. | 
             | 
             | 
          
          
            | Ecol. watchdog | 
            Eugene Sheffer | 
            14 Sep 2024 | 
          
          
            | Climate change research org. | 
            Universal | 
            13 Sep 2024 | 
          
          
            | Org. that tests the waters | 
            New York Times | 
            12 Sep 2024 | 
          
          
            | Air quality agency: Abbr. | 
            Commuter | 
            11 Sep 2024 | 
          
          
            | Clean air org. | 
            Eugene Sheffer | 
            07 Sep 2024 | 
          
          
            | Clean Water Act org. | 
            Thomas Joseph | 
            06 Sep 2024 | 
          
          
            | Org. concerned with air quality | 
            USA Today | 
            03 Sep 2024 | 
          
          
            | "Clean Air Act" organization: Abbr. | 
             | 
             | 
          
          
            | Waste watcher: abbr. | 
             | 
             | 
          
          
            | Org. that deals with toxic people? | 
             | 
             | 
          
          
            | Eco-conscious agency (Abbr.) | 
            USA Today | 
            25 Aug 2024 | 
          
          
            | Pollution-monitoring agcy. | 
             | 
             | 
          
          
            | Antipollution org. | 
            USA Today | 
            23 Aug 2024 | 
          
          
            | Org. with an Office of Water | 
            USA Today | 
            19 Aug 2024 | 
          
          
            | Climate grp. | 
            TV | 
            18 Aug 2024 | 
          
          
            | Air quality group: Abbr. | 
            Commuter | 
            17 Aug 2024 | 
          
          
            | Emissions-monitoring org. | 
            LA Times Daily | 
            16 Aug 2024 | 
          
          
            | Clean air org. | 
            Eugene Sheffer | 
            10 Aug 2024 | 
          
          
            | Ecol. watchdog | 
            Eugene Sheffer | 
            08 Aug 2024 | 
          
          
            | Org. that enforces the Clean Air Act | 
            Universal | 
            04 Aug 2024 | 
          
          
            | Org. with a flower on its seal | 
            LA Times Daily | 
            02 Aug 2024 | 
          
          
            | Org. enforcing the 104-Across | 
            Premier Sunday | 
            28 Jul 2024 | 
          
          
            | Ecol. watchdog | 
            Eugene Sheffer | 
            26 Jul 2024 | 
          
          
            | AQI monitor | 
            LA Times Daily | 
            26 Jul 2024 | 
          
          
            | Government org. established in 1970 | 
            USA Today | 
            24 Jul 2024 | 
          
          
            | Clean air org. | 
            New York Times | 
            23 Jul 2024 | 
          
          
            | AQI-monitoring organization: Abbr. | 
             | 
             | 
          
          
            | Org. that designates Superfund sites | 
            USA Today | 
            22 Jul 2024 | 
          
          
            | Clean air org. | 
            Premier Sunday | 
            21 Jul 2024 | 
          
          
            | It has a sky/earth/water blossom seal | 
            Newsday | 
            13 Jul 2024 | 
          
          
            | Clean air org. | 
            Eugene Sheffer | 
            13 Jul 2024 | 
          
          
            | Clean air organization: Abbr. | 
             | 
             | 
          
          
            | Clean energy org. | 
            Universal | 
            13 Jul 2024 | 
          
          
            | Group concerned with clean air: Abbr. | 
            Commuter | 
            10 Jul 2024 | 
          
          
            | Pollution-monitoring group (abbr.) | 
             | 
             | 
          
          
            | Smog-monitoring org. | 
            Newsday | 
            07 Jul 2024 | 
          
          
            | Emissions controllers, abbr. | 
             | 
             | 
          
          
            | Org. established in the wake of the 1969 Cuyahoga River fire | 
             | 
             | 
          
          
            | Pollution watchdog | 
             | 
             | 
          
          
            | Cleanup crew, often | 
             | 
             | 
          
          
            | Clean Air Act enforcer | 
            Newsday | 
            23 Jun 2024 | 
          
          
            | 1972 banner of 3-Down (abbr.) | 
             | 
             | 
          
          
            | Emissions-monitoring org. | 
            New York Times | 
            18 Jun 2024 | 
          
          
            | Org. overseeing toxic cleanups | 
            Wall Street Journal | 
            15 Jun 2024 | 
          
          
            | Org. concerned with climate change | 
            New York Times | 
            13 Jun 2024 | 
          
          
            | Pollution-control organization: Abbr. | 
             | 
             | 
          
          
            | Ecol. watchdog | 
            Eugene Sheffer | 
            08 Jun 2024 | 
          
          
            | Clean Air Act org. | 
            USA Today | 
            08 Jun 2024 | 
          
          
            | National Pollinator Week originator | 
            Newsday | 
            08 Jun 2024 | 
          
          
            | Clean energy org. | 
            LA Times Daily | 
            03 Jun 2024 | 
          
          
            | Org. that enforces the Toxic Substances Control Act | 
            New York Times | 
            29 May 2024 | 
          
          
            | Agcy. that traps Springfield under a giant dome in "The Simpsons Movie" | 
             | 
             | 
          
          
            | Energy Star program originator | 
             | 
             | 
          
          
            | Waste watchers org. | 
            LA Times Daily | 
            24 May 2024 | 
          
          
            | Government group concerned with water quality: Abbr. | 
             | 
             | 
          
          
            | Planet-friendly agcy. | 
            USA Today | 
            20 May 2024 | 
          
          
            | Green Power Partnership org. | 
            LA Times Daily | 
            19 May 2024 | 
          
          
            | Org. concerned with pollution | 
            Universal | 
            19 May 2024 | 
          
          
            | Federal group that enforces the Clean Air Act: Abbr. | 
             | 
             | 
          
          
            | Assessor of "forever chemicals," briefly | 
             | 
             | 
          
          
            | Org. monitoring air quality | 
            Universal | 
            11 May 2024 | 
          
          
            | Org. that monitors water quality | 
            USA Today | 
            09 May 2024 | 
          
          
            | Smog-monitoring org. | 
            USA Today | 
            08 May 2024 | 
          
          
            | Clean water org. | 
            LA Times Daily | 
            08 May 2024 | 
          
          
            | Air quality org. | 
            Newsday | 
            07 May 2024 | 
          
          
            | Anti-pollution organization: Abbr. | 
             | 
             | 
          
          
            | Clean Air Act agcy. | 
             | 
             | 
          
          
            | Anti-pollution gp. | 
             | 
             | 
          
          
            | Antipollution org. | 
            Universal | 
            22 Apr 2024 | 
          
          
            | Government org. founded in 1970 | 
             | 
             | 
          
          
            | Lead regulator, for short | 
            New York Times | 
            17 Apr 2024 | 
          
          
            | Govt. org that fights pollution (abbr.) | 
             | 
             | 
          
          
            | Air quality-monitoring organization: Abbr. | 
             | 
             | 
          
          
            | Clean air org. | 
            USA Today | 
            15 Apr 2024 | 
          
          
            | Org. against pollution | 
            Premier Sunday | 
            14 Apr 2024 | 
          
          
            | Clean air org. | 
            Eugene Sheffer | 
            10 Apr 2024 | 
          
          
            | Org. concerned with AQI | 
             | 
             | 
          
          
            | Clean Air Act org. | 
            Universal | 
            05 Apr 2024 | 
          
          
            | Clean water org. | 
            Commuter | 
            02 Apr 2024 | 
          
          
            | Govt. org. featured in "The Simpsons Movie" | 
             | 
             | 
          
          
            | AirNow.gov partner | 
            LA Times Daily | 
            24 Mar 2024 | 
          
          
            | Org. concerned with air quality | 
            USA Today | 
            22 Mar 2024 | 
          
          
            | Government monitor of pollution: Abbr. | 
             | 
             | 
          
          
            | Org. concerned with "forever chemicals" | 
            LA Times Daily | 
            21 Mar 2024 | 
          
          
            | Group concerned with air quality: Abbr. | 
             | 
             | 
          
          
            | One Cleanup Program org. | 
            USA Today | 
            17 Mar 2024 | 
          
          
            | Site cleanups org. | 
             | 
             | 
          
          
            | Mileage rating agcy. | 
            Newsday | 
            13 Mar 2024 | 
          
          
            | Green gp. | 
            Premier Sunday | 
            10 Mar 2024 | 
          
          
            | Federal agency that deals with cleaning up oil spills: Abbr. | 
             | 
             | 
          
          
            | Org. that began operations about seven months after the first Earth Day (abbr.) | 
             | 
             | 
          
          
            | Organization concerned with emissions: Abbr. | 
             | 
             | 
          
          
            | Org. publishing the Map of Radon Zones | 
             | 
             | 
          
          
            | Org. that regulates HFCs | 
            LA Times Daily | 
            02 Mar 2024 | 
          
          
            | Clean water org. | 
            Commuter | 
            26 Feb 2024 | 
          
          
            | Org. that regulates fertilizers | 
            New York Times | 
            24 Feb 2024 | 
          
          
            | Antipollution organization: Abbr. | 
             | 
             | 
          
          
            | Pollution police | 
             | 
             | 
          
          
            | Mileage-rating org. | 
            Newsday | 
            18 Feb 2024 | 
          
          
            | Superfund agcy. | 
            Wall Street Journal | 
            17 Feb 2024 | 
          
          
            | Org. established by Nixon (abbr.) | 
             | 
             | 
          
          
            | Air quality-monitoring organization: Abbr. | 
             | 
             | 
          
          
            | Safe Drinking Water Act org. | 
            USA Today | 
            11 Feb 2024 | 
          
          
            | Org. with an Office of Water | 
            New York Times | 
            07 Feb 2024 | 
          
          
            | Pollution grp. | 
             | 
             | 
          
          
            | BEACH Act org. | 
            LA Times Daily | 
            31 Jan 2024 | 
          
          
            | Clean Air Act org. | 
            USA Today | 
            29 Jan 2024 | 
          
          
            | DC water watchdog | 
            Newsday | 
            28 Jan 2024 | 
          
          
            | Org. concerned with plastic pollution | 
            LA Times Daily | 
            25 Jan 2024 | 
          
          
            | Nixon established it by executive order | 
             | 
             | 
          
          
            | Org. concerned with air quality | 
            Universal | 
            22 Jan 2024 | 
          
          
            | Org. concerned with carbon emissions | 
            Universal | 
            19 Jan 2024 | 
          
          
            | Org. that regulates water quality | 
             | 
             | 
          
          
            | Clean air org. | 
            LA Times Daily | 
            14 Jan 2024 | 
          
          
            | U.S. ag. formed in 1970 | 
             | 
             | 
          
          
            | Superfund grp. | 
            New York Times | 
            07 Jan 2024 | 
          
          
            | U.S. Org. concerned with global warming | 
             | 
             | 
          
          
            | Non-Cabinet agcy. whose administrator has a Cabinet-level rank | 
             | 
             | 
          
          
            | Watcher of the woods: abbr. | 
             | 
             | 
          
          
            | Green letters? | 
            New York Times | 
            02 Jan 2024 | 
          
          
            | Government group with a Greener Living page on its website: Abbr. | 
             | 
             | 
          
          
            | Ecol. watchdog agency | 
             | 
             | 
          
          
            | Federal org. with a flower logo | 
            Wall Street Journal | 
            23 Dec 2023 | 
          
          
            | Antipollution group of the government: Abbr. | 
             | 
             | 
          
          
            | Org. behind the Safer Detergents Stewardship Initiative | 
             | 
             | 
          
          
            | Clean Water Act org. | 
            Universal | 
            19 Dec 2023 | 
          
          
            | Ecol. watchdog | 
            Eugene Sheffer | 
            15 Dec 2023 | 
          
          
            | MPG rater | 
            Newsday | 
            14 Dec 2023 | 
          
          
            | Clean air org. | 
            Eugene Sheffer | 
            08 Dec 2023 | 
          
          
            | Organization concerned with ecology: Abbr. | 
             | 
             | 
          
          
            | Clean air org. | 
            Newsday | 
            03 Dec 2023 | 
          
          
            | Org. monitoring AQI | 
             | 
             | 
          
          
            | Pollution control group: Abbr. | 
             | 
             | 
          
          
            | Org. that encases Springfield under a giant dome in "The Simpsons Movie" | 
             | 
             | 
          
          
            | American ecological watchdog group: Abbr. | 
             | 
             | 
          
          
            | Pollution-policing org. | 
            Wall Street Journal | 
            20 Nov 2023 | 
          
          
            | Clean water org. | 
            LA Times Daily | 
            20 Nov 2023 | 
          
          
            | Org. concerned with emissions | 
            New York Times | 
            13 Nov 2023 | 
          
          
            | Org. that regulates pesticides | 
            Universal | 
            12 Nov 2023 | 
          
          
            | Energy Policy Act org. | 
            USA Today | 
            11 Nov 2023 | 
          
          
            | Safe Drinking Water Act org | 
            Universal | 
            11 Nov 2023 | 
          
          
            | Org. with grants for asbestos removal | 
            New York Times | 
            09 Nov 2023 | 
          
          
            | Org. concerned with climate change | 
            LA Times Daily | 
            09 Nov 2023 | 
          
          
            | Clean Air Act org. | 
            Wall Street Journal | 
            09 Nov 2023 | 
          
          
            | MPG-rating org | 
            Thomas Joseph | 
            07 Nov 2023 | 
          
          
            | Org. that regulates pesticides | 
            USA Today | 
            07 Nov 2023 | 
          
          
            | Green org. with a flower logo | 
            LA Times Daily | 
            05 Nov 2023 | 
          
          
            | AQI monitor | 
            Wall Street Journal | 
            02 Nov 2023 | 
          
          
            | AQI monitor | 
            LA Times Daily | 
            28 Oct 2023 | 
          
          
            | Ecol. watchdog | 
            Eugene Sheffer | 
            16 Oct 2023 | 
          
          
            | Water-monitoring org. | 
            Wall Street Journal | 
            14 Oct 2023 | 
          
          
            | UV Index monitor | 
            Newsday | 
            14 Oct 2023 | 
          
          
            | Mileage rating agcy. | 
            Newsday | 
            11 Oct 2023 | 
          
          
            | Green org | 
            Universal | 
            29 Sep 2023 | 
          
          
            | Org. that regulates hazardous waste | 
            New York Times | 
            25 Sep 2023 | 
          
          
            | Fed. cleanup group | 
            Premier Sunday | 
            24 Sep 2023 | 
          
          
            | Org. concerned with the ozone layer | 
            USA Today | 
            15 Sep 2023 | 
          
          
            | Organization responsible for the clean air act: Abbr. | 
             | 
             | 
          
          
            | U.S. pollution monitor | 
            Wall Street Journal | 
            11 Sep 2023 | 
          
          
            | Ecol. monitor | 
            Premier Sunday | 
            10 Sep 2023 | 
          
          
            | Org. that regulates manure | 
            Universal | 
            03 Sep 2023 | 
          
          
            | Org. concerned with oil and water | 
            Wall Street Journal | 
            26 Aug 2023 | 
          
          
            | Org. that regulates asbestos | 
            Universal | 
            26 Aug 2023 | 
          
          
            | Water pollution watchdog: Abbr. | 
             | 
             | 
          
          
            | Grp. that measures 1-Across | 
            New York Times | 
            20 Aug 2023 | 
          
          
            | Organization for better water: Abbr. | 
             | 
             | 
          
          
            | Clean air org | 
            LA Times Daily | 
            15 Aug 2023 | 
          
          
            | Clean Air Act org | 
            USA Today | 
            14 Aug 2023 | 
          
          
            | Antipollution org | 
            Premier Sunday | 
            13 Aug 2023 | 
          
          
            | Clean Air Act enforcer | 
            Newsday | 
            06 Aug 2023 | 
          
          
            | Clean energy org | 
            USA Today | 
            02 Aug 2023 | 
          
          
            | Org. with an Office of Water | 
            LA Times Daily | 
            29 Jul 2023 | 
          
          
            | Org. in the film 'Dark Waters' | 
            USA Today | 
            27 Jul 2023 | 
          
          
            | Air pollution watchdog: Abbr. | 
             | 
             | 
          
          
            | Pollution-fighting org | 
            LA Times Daily | 
            17 Jul 2023 | 
          
          
            | Charming bunch? | 
            New York Times | 
            09 Jul 2023 | 
          
          
            | Organization for clean air: Abbr. | 
             | 
             | 
          
          
            | Org. created the same year as Earth Day | 
            New York Times | 
            09 Jul 2023 | 
          
          
            | Clean air org | 
            Eugene Sheffer | 
            07 Jul 2023 | 
          
          
            | Clean air agcy | 
            LA Times Daily | 
            25 Jun 2023 | 
          
          
            | Clean Air Act org | 
            USA Today | 
            20 Jun 2023 | 
          
          
            | Ecol. watchdog | 
            Eugene Sheffer | 
            17 Jun 2023 | 
          
          
            | Org. concerned with climate adaptation | 
            LA Times Daily | 
            11 Jun 2023 | 
          
          
            | Clean air gp | 
            Premier Sunday | 
            11 Jun 2023 | 
          
          
            | Clean air org | 
            Eugene Sheffer | 
            10 Jun 2023 | 
          
          
            | Organization that monitors climate change: Abbr. | 
             | 
             | 
          
          
            | Org. established by Nixon | 
            New York Times | 
            06 Jun 2023 | 
          
          
            | Clean Air Act enforcer, for short | 
            New York Times | 
            05 Jun 2023 | 
          
          
            | Clean water agcy | 
            LA Times Daily | 
            03 Jun 2023 | 
          
          
            | Grp. regulating pesticides | 
            New York Times | 
            28 May 2023 | 
          
          
            | Air quality agcy. | 
            Newsday | 
            24 May 2023 | 
          
          
            | Organization for unpolluted air: Abbr. | 
             | 
             | 
          
          
            | Clean Air Act org | 
            USA Today | 
            20 May 2023 | 
          
          
            | 22-Down monitoring org | 
            LA Times Daily | 
            16 May 2023 | 
          
          
            | Anti-pollution organization: Abbr. | 
             | 
             | 
          
          
            | Ecol. watchdog | 
            Eugene Sheffer | 
            01 May 2023 | 
          
          
            | Greenhouse gas regulator, for short | 
            New York Times | 
            27 Apr 2023 | 
          
          
            | Air quality gp | 
            Premier Sunday | 
            16 Apr 2023 | 
          
          
            | Clean Water Act org | 
            USA Today | 
            03 Apr 2023 | 
          
          
            | Government org. with a flower logo | 
            USA Today | 
            30 Mar 2023 | 
          
          
            | Org. with pollution solutions | 
            New York Times | 
            27 Mar 2023 | 
          
          
            | Org. funding clean transportation | 
            LA Times Daily | 
            26 Mar 2023 | 
          
          
            | Clean Water Act org | 
            USA Today | 
            24 Mar 2023 | 
          
          
            | Org. that tracks air quality | 
            USA Today | 
            23 Mar 2023 | 
          
          
            | Org. established by 111-Down | 
            New York Times | 
            19 Mar 2023 | 
          
          
            | Clean Air Act org | 
            Universal | 
            10 Mar 2023 | 
          
          
            | Environmental protection grp | 
            Canadiana | 
            27 Feb 2023 | 
          
          
            | Org. that ensures water is 41-Across | 
            LA Times Daily | 
            21 Feb 2023 | 
          
          
            | Government grp. employing ecologists | 
            New York Times | 
            20 Feb 2023 | 
          
          
            | Grp. that monitors water | 
            Universal | 
            15 Feb 2023 | 
          
          
            | Organization concerned with clean air: Abbr. | 
             | 
             | 
          
          
            | Green Power Partnership org | 
            Universal | 
            13 Feb 2023 | 
          
          
            | Clean Air Act org | 
            LA Times Daily | 
            12 Feb 2023 | 
          
          
            | Clean Air Act org | 
            Universal | 
            10 Feb 2023 | 
          
          
            | Pollution watchdog group: Abbr. | 
             | 
             | 
          
          
            | Water efficiency org | 
            USA Today | 
            19 Jan 2023 | 
          
          
            | Org. that monitors air quality | 
            USA Today | 
            18 Jan 2023 | 
          
          
            | Energy-monitoring org | 
            New York Times | 
            10 Jan 2023 | 
          
          
            | Energy-monitoring org. | 
            New York Times | 
            10 Jan 2023 | 
          
          
            | Fed. conservation org. | 
            Newsday | 
            06 Jan 2023 | 
          
          
            | Org. concerned with toxins | 
            LA Times Daily | 
            20 Dec 2022 | 
          
          
            | Federal org. with a flower logo | 
            LA Times Daily | 
            11 Dec 2022 | 
          
          
            | Org. with an Office of Water | 
            Wall Street Journal | 
            10 Dec 2022 | 
          
          
            | Air quality monitoring group: Abbr. | 
             | 
             | 
          
          
            | Smog watchdog org | 
            LA Times Daily | 
            06 Dec 2022 | 
          
          
            | Environmental org | 
            Canadiana | 
            05 Dec 2022 | 
          
          
            | Superfund agcy. | 
            Newsday | 
            01 Dec 2022 | 
          
          
            | Clean air org | 
            Eugene Sheffer | 
            25 Nov 2022 | 
          
          
            | UV Index publisher | 
            Newsday | 
            18 Nov 2022 | 
          
          
            | Water quality org | 
            Universal | 
            08 Nov 2022 | 
          
          
            | Org. combating the climate crisis | 
            USA Today | 
            05 Nov 2022 | 
          
          
            | Org. regulating PCBs | 
            USA Today | 
            23 Oct 2022 | 
          
          
            | AQI monitor | 
            Newsday | 
            16 Oct 2022 | 
          
          
            | Ecol. watchdog | 
            Eugene Sheffer | 
            14 Oct 2022 | 
          
          
            | Clean air org | 
            Eugene Sheffer | 
            13 Oct 2022 | 
          
          
            | AQI monitor | 
            LA Times Daily | 
            30 Sep 2022 | 
          
          
            | Org. overseeing the Superfund | 
            Wall Street Journal | 
            30 Sep 2022 | 
          
          
            | Org. whose E stands for Environmental | 
            USA Today | 
            29 Sep 2022 | 
          
          
            | Org. headed by Michael S. Regan | 
            LA Times Daily | 
            27 Sep 2022 | 
          
          
            | Clean water org | 
            New York Times | 
            22 Sep 2022 | 
          
          
            | Ecol. watchdog | 
            Eugene Sheffer | 
            22 Sep 2022 | 
          
          
            | Oil spill cleanup org | 
            Universal | 
            21 Sep 2022 | 
          
          
            | Antipollution org | 
            Universal | 
            20 Sep 2022 | 
          
          
            | Clean air org | 
            LA Times Daily | 
            20 Sep 2022 | 
          
          
            | Clean Air Act org | 
            New York Times | 
            18 Sep 2022 | 
          
          
            | Ecol. watchdog | 
            Eugene Sheffer | 
            15 Sep 2022 | 
          
          
            | Ecol. watchdog | 
            Eugene Sheffer | 
            14 Sep 2022 | 
          
          
            | Clean air org | 
            New York Times | 
            13 Sep 2022 | 
          
          
            | Clean air org | 
            Eugene Sheffer | 
            29 Aug 2022 | 
          
          
            | Org. concerned with acid rain | 
            Universal | 
            28 Aug 2022 | 
          
          
            | Org. monitoring hazardous waste | 
            USA Today | 
            28 Aug 2022 | 
          
          
            | Eco-friendly org | 
            Universal | 
            18 Aug 2022 | 
          
          
            | Ecol. watchdog | 
            Eugene Sheffer | 
            18 Aug 2022 | 
          
          
            | Clean Air Act org | 
            Universal | 
            08 Aug 2022 | 
          
          
            | Org. with a Climate Change section on its website | 
            LA Times Daily | 
            03 Aug 2022 | 
          
          
            | Clean air org | 
            USA Today | 
            02 Aug 2022 | 
          
          
            | Clean Air Act org | 
            New York Times | 
            27 Jul 2022 | 
          
          
            | Clean air org | 
            Eugene Sheffer | 
            21 Jul 2022 | 
          
          
            | Energy Star certifying org | 
            LA Times Daily | 
            14 Jul 2022 | 
          
          
            | Federal ecology org. | 
            Newsday | 
            12 Jul 2022 | 
          
          
            | Clean Air Act org | 
            Wall Street Journal | 
            09 Jul 2022 | 
          
          
            | Ecol. watchdog | 
            Eugene Sheffer | 
            30 Jun 2022 | 
          
          
            | Org. that monitors air quality | 
            Wall Street Journal | 
            28 Jun 2022 | 
          
          
            | Clean air org | 
            Eugene Sheffer | 
            09 Jun 2022 | 
          
          
            | Green org | 
            Premier Sunday | 
            29 May 2022 | 
          
          
            | Ecol. watchdog | 
            Eugene Sheffer | 
            20 May 2022 | 
          
          
            | Org. with biomonitoring publications | 
            The Washington Post Sunday | 
            15 May 2022 | 
          
          
            | AQI monitor | 
            LA Times Daily | 
            12 May 2022 | 
          
          
            | AQI monitor | 
            The Washington Post | 
            12 May 2022 | 
          
          
            | Clean air org | 
            Eugene Sheffer | 
            02 May 2022 | 
          
          
            | Ecol. monitor | 
            Premier Sunday | 
            01 May 2022 | 
          
          
            | Org. whose website has a Greener Living section | 
            Wall Street Journal | 
            23 Apr 2022 | 
          
          
            | Org. regulating pesticides | 
            The Washington Post | 
            20 Apr 2022 | 
          
          
            | Org. regulating pesticides | 
            LA Times Daily | 
            20 Apr 2022 | 
          
          
            | Ecol. watchdog | 
            Eugene Sheffer | 
            11 Apr 2022 | 
          
          
            | Clean air org | 
            Premier Sunday | 
            10 Apr 2022 | 
          
          
            | MPG-testing org | 
            LA Times Daily | 
            04 Apr 2022 | 
          
          
            | MPG-testing org | 
            The Washington Post | 
            04 Apr 2022 | 
          
          
            | Energy Star creator | 
            Newsday | 
            31 Mar 2022 | 
          
          
            | Clean Water Act org | 
            Thomas Joseph | 
            30 Mar 2022 | 
          
          
            | Clean air org | 
            Eugene Sheffer | 
            26 Mar 2022 | 
          
          
            | Clean air org | 
            Eugene Sheffer | 
            23 Mar 2022 | 
          
          
            | Ecol. watchdog | 
            Eugene Sheffer | 
            18 Mar 2022 | 
          
          
            | Eco-conscious govt. group | 
            LA Times Daily | 
            15 Mar 2022 | 
          
          
            | Ecological org | 
            Universal | 
            15 Mar 2022 | 
          
          
            | Eco-conscious govt. group | 
            The Washington Post | 
            15 Mar 2022 | 
          
          
            | Safe Drinking Water Act administrative grp | 
            The Washington Post Sunday | 
            13 Mar 2022 | 
          
          
            | Org. created in the wake of "Silent Spring" | 
            New York Times | 
            05 Mar 2022 | 
          
          
            | Clean air org | 
            Eugene Sheffer | 
            16 Feb 2022 | 
          
          
            | Government org. concerned with AQI | 
            USA Today | 
            14 Feb 2022 | 
          
          
            | Ecol. watchdog | 
            Eugene Sheffer | 
            08 Feb 2022 | 
          
          
            | Wastewater-monitoring org | 
            The Washington Post Sunday | 
            06 Feb 2022 | 
          
          
            | Org. with fuel additive regulations | 
            USA Today | 
            01 Feb 2022 | 
          
          
            | Air issues org | 
            The Washington Post | 
            30 Jan 2022 | 
          
          
            | Air issues org | 
            LA Times Daily | 
            30 Jan 2022 | 
          
          
            | Radiation Protection Program org | 
            LA Times Daily | 
            29 Jan 2022 | 
          
          
            | Radiation Protection Program org | 
            The Washington Post | 
            29 Jan 2022 | 
          
          
            | Clean Air Act org | 
            LA Times Daily | 
            28 Jan 2022 | 
          
          
            | Clean Air Act org | 
            The Washington Post | 
            28 Jan 2022 | 
          
          
            | Org. behind the AirNOW app | 
            Newsday | 
            28 Jan 2022 | 
          
          
            | Clean air org | 
            Eugene Sheffer | 
            26 Jan 2022 | 
          
          
            | Ecol. watchdog | 
            Eugene Sheffer | 
            19 Jan 2022 | 
          
          
            | Federal ecology org | 
            Newsday | 
            19 Jan 2022 | 
          
          
            | Organization concerned with clean air: Abbr. | 
             | 
             | 
          
          
            | Org. monitoring insecticides | 
            LA Times Daily | 
            06 Jan 2022 | 
          
          
            | American anti-pollution organization: Abbr. | 
             | 
             | 
          
          
            | Org. that tests disinfectants | 
            Universal | 
            05 Jan 2022 | 
          
          
            | Clean air org | 
            Eugene Sheffer | 
            03 Jan 2022 | 
          
          
            | Clean energy grp. | 
            New York Times | 
            02 Jan 2022 | 
          
          
            | Org. that might certify an AC tech | 
            Universal | 
            01 Jan 2022 | 
          
          
            | Polluter-policing org | 
            Wall Street Journal | 
            28 Dec 2021 | 
          
          
            | Acid Rain Program org | 
            LA Times Daily | 
            23 Dec 2021 | 
          
          
            | Green grp | 
            Wall Street Journal | 
            23 Dec 2021 | 
          
          
            | Org. measuring air quality | 
            USA Today | 
            17 Dec 2021 | 
          
          
            | Ecol. watchdog | 
            Eugene Sheffer | 
            14 Dec 2021 | 
          
          
            | Air-testing gp | 
            Premier Sunday | 
            12 Dec 2021 | 
          
          
            | Water pollution watchdog: Abbr. | 
             | 
             | 
          
          
            | Pollution watchdog org | 
            LA Times Daily | 
            08 Dec 2021 | 
          
          
            | Energy Star org | 
            Universal | 
            05 Dec 2021 | 
          
          
            | Org. that launched "My MPG" in 2005 | 
            LA Times Daily | 
            26 Nov 2021 | 
          
          
            | Org. with an Office of Wetlands, Oceans and Watersheds | 
            Wall Street Journal | 
            23 Nov 2021 | 
          
          
            | Diesel Emissions Reduction Act org | 
            USA Today | 
            18 Nov 2021 | 
          
          
            | Org. awarding Environmental Justice grants | 
            USA Today | 
            13 Nov 2021 | 
          
          
            | Org. regulating pesticides | 
            USA Today | 
            07 Nov 2021 | 
          
          
            | Smog rating org | 
            USA Today | 
            04 Nov 2021 | 
          
          
            | Antipollution org | 
            Universal | 
            29 Oct 2021 | 
          
          
            | WaterSense org | 
            Universal | 
            23 Oct 2021 | 
          
          
            | UV Index monitor | 
            Newsday | 
            22 Oct 2021 | 
          
          
            | Clean air org | 
            Eugene Sheffer | 
            22 Oct 2021 | 
          
          
            | Org. concerned with PCB's | 
            The Washington Post | 
            21 Oct 2021 | 
          
          
            | Org. concerned with PCB's | 
            LA Times Daily | 
            21 Oct 2021 | 
          
          
            | MPG-testing org | 
            The Washington Post | 
            17 Oct 2021 | 
          
          
            | MPG-testing org | 
            LA Times Daily | 
            17 Oct 2021 | 
          
          
            | Ecol. watchdog | 
            Eugene Sheffer | 
            15 Oct 2021 | 
          
          
            | Ecol. watchdog | 
            Eugene Sheffer | 
            14 Oct 2021 | 
          
          
            | Clean Air Act org | 
            USA Today | 
            11 Oct 2021 | 
          
          
            | PCB watchdog | 
            The Washington Post Sunday | 
            10 Oct 2021 | 
          
          
            | Pollution-control gp | 
            Premier Sunday | 
            10 Oct 2021 | 
          
          
            | Eco-friendly org | 
            Universal | 
            05 Oct 2021 | 
          
          
            | Emissions control grp. | 
            New York Times | 
            05 Oct 2021 | 
          
          
            | Org. that regulates DDT | 
            USA Today | 
            28 Sep 2021 | 
          
          
            | US air monitor | 
            Newsday | 
            26 Sep 2021 | 
          
          
            | Clean Water Act org | 
            The Washington Post | 
            24 Sep 2021 | 
          
          
            | Clean Water Act org | 
            LA Times Daily | 
            24 Sep 2021 | 
          
          
            | Clean air org | 
            Universal | 
            23 Sep 2021 | 
          
          
            | Air Quality Index org | 
            USA Today | 
            20 Sep 2021 | 
          
          
            | Environmental org | 
            Canadiana | 
            20 Sep 2021 | 
          
          
            | Pollution control org | 
            USA Today | 
            12 Sep 2021 | 
          
          
            | Environmental protection  org | 
            Canadiana | 
            06 Sep 2021 | 
          
          
            | Antipollution org | 
            LA Times Daily | 
            01 Sep 2021 | 
          
          
            | Antipollution org | 
            The Washington Post | 
            01 Sep 2021 | 
          
          
            | Clean air agency: Abbr | 
            Newsday | 
            16 Aug 2021 | 
          
          
            | Govt. antipollution org | 
            LA Times Daily | 
            16 Aug 2021 | 
          
          
            | Govt. antipollution org | 
            The Washington Post | 
            16 Aug 2021 | 
          
          
            | Greener Living org | 
            The Washington Post | 
            15 Aug 2021 | 
          
          
            | Greener Living org | 
            LA Times Daily | 
            15 Aug 2021 | 
          
          
            | Clean air org | 
            Eugene Sheffer | 
            13 Aug 2021 | 
          
          
            | Federal air quality org | 
            Newsday | 
            10 Aug 2021 | 
          
          
            | Org. with air quality data | 
            Universal | 
            09 Aug 2021 | 
          
          
            | Org. that regulates emissions | 
            Universal | 
            29 Jul 2021 | 
          
          
            | AQI monitor | 
            The Washington Post | 
            26 Jul 2021 | 
          
          
            | AQI monitor | 
            LA Times Daily | 
            26 Jul 2021 | 
          
          
            | Group that monitors climate change: Abbr. | 
             | 
             | 
          
          
            | Organization that promotes clean air: Abbr. | 
             | 
             | 
          
          
            | Clean air and water org | 
            New York Times | 
            19 Jul 2021 | 
          
          
            | Fuel economy authority, for short | 
            New York Times | 
            18 Jul 2021 | 
          
          
            | Ecol. watchdog | 
            Eugene Sheffer | 
            16 Jul 2021 | 
          
          
            | Group that monitors air quality: Abbr. | 
             | 
             | 
          
          
            | Org. that pursues polluters | 
            Wall Street Journal | 
            13 Jul 2021 | 
          
          
            | Org. that researches ecosystems | 
            Universal | 
            11 Jul 2021 | 
          
          
            | Org. with an Office of Air and Radiation | 
            New York Times | 
            09 Jul 2021 | 
          
          
            | MPG agcy | 
            Newsday | 
            04 Jul 2021 | 
          
          
            | Org. concerned with oil spills | 
            Universal | 
            04 Jul 2021 | 
          
          
            | Org. whose logo features a two-leaved flower | 
            Wall Street Journal | 
            03 Jul 2021 | 
          
          
            | Grp. that monitors pollution | 
            Universal | 
            17 Jun 2021 | 
          
          
            | Fed. emissions monitor | 
            The Washington Post Sunday | 
            13 Jun 2021 | 
          
          
            | Safe Drinking Water Act org | 
            Wall Street Journal | 
            03 Jun 2021 | 
          
          
            | Clean Air Act org | 
            USA Today | 
            25 May 2021 | 
          
          
            | Clean air org | 
            Eugene Sheffer | 
            25 May 2021 | 
          
          
            | Federal ecology org | 
            Premier Sunday | 
            23 May 2021 | 
          
          
            | Ecol. watchdog | 
            Eugene Sheffer | 
            21 May 2021 | 
          
          
            | Org. established partly in response to Rachel Carson's 'Silent Spring' | 
            New York Times | 
            21 May 2021 | 
          
          
            | Org. that approves disinfectants | 
            Universal | 
            14 May 2021 | 
          
          
            | Org. that launched WaterSense in 2006 | 
            New York Times | 
            12 May 2021 | 
          
          
            | Air pollution watchdog: Abbr. | 
             | 
             | 
          
          
            | Govt. pollution watchdog | 
            The Washington Post | 
            27 Apr 2021 | 
          
          
            | Govt. pollution watchdog | 
            LA Times Daily | 
            27 Apr 2021 | 
          
          
            | Org. with lots of money to waste? | 
            New York Times | 
            25 Apr 2021 | 
          
          
            | Green Chemistry Challenge org | 
            USA Today | 
            19 Apr 2021 | 
          
          
            | UV index follower | 
            Newsday | 
            17 Apr 2021 | 
          
          
            | Agency concerned with MPG | 
            Newsday | 
            08 Apr 2021 | 
          
          
            | Org. since Nixon's presidency | 
            New York Times | 
            06 Apr 2021 | 
          
          
            | Smog watchdog org | 
            Universal | 
            01 Apr 2021 | 
          
          
            | Clean Water Act org | 
            Thomas Joseph | 
            30 Mar 2021 | 
          
          
            | MPG ratings issuer | 
            Newsday | 
            26 Mar 2021 | 
          
          
            | Org. that takes the lead on lead? | 
            New York Times | 
            07 Mar 2021 | 
          
          
            | Cleanup grp | 
            New York Times | 
            28 Feb 2021 | 
          
          
            | Clean Air Act group: Abbr. | 
             | 
             | 
          
          
            | Org. with resources on smart growth | 
            New York Times | 
            20 Feb 2021 | 
          
          
            | Antipollution org | 
            New York Times | 
            17 Feb 2021 | 
          
          
            | Org. that monitors air quality | 
            New York Times | 
            16 Feb 2021 | 
          
          
            | Green-minded org | 
            Jonesin | 
            09 Feb 2021 | 
          
          
            | Antipollution org | 
            Universal | 
            08 Feb 2021 | 
          
          
            | Org. concerned with reducing emissions | 
            LA Times Daily | 
            01 Feb 2021 | 
          
          
            | Org. concerned with reducing emissions | 
            The Washington Post | 
            01 Feb 2021 | 
          
          
            | Antipollution org | 
            The Washington Post | 
            31 Jan 2021 | 
          
          
            | Antipollution org | 
            LA Times Daily | 
            31 Jan 2021 | 
          
          
            | Air quality agency: Abbr | 
            Newsday | 
            25 Jan 2021 | 
          
          
            | Org. focused on cleaning up others’ acts | 
            Wall Street Journal | 
            23 Jan 2021 | 
          
          
            | Acid Rain Program org | 
            USA Today | 
            22 Jan 2021 | 
          
          
            | Greenhouse Gas Reporting Program org | 
            USA Today | 
            05 Jan 2021 | 
          
          
            | Air Quality Index org | 
            USA Today | 
            21 Dec 2020 | 
          
          
            | Ecology-minded agcy | 
            Newsday | 
            17 Dec 2020 | 
          
          
            | Org. concerned with recycling | 
            Universal | 
            14 Dec 2020 | 
          
          
            | Fuel economy org | 
            New York Times | 
            08 Dec 2020 | 
          
          
            | Org. with pesticide storage regulations | 
            USA Today | 
            02 Dec 2020 | 
          
          
            | MPG monitor | 
            Premier Sunday | 
            29 Nov 2020 | 
          
          
            | Pollution policing org | 
            Newsday | 
            19 Nov 2020 | 
          
          
            | Air quality org | 
            Newsday | 
            16 Nov 2020 | 
          
          
            | "Clean Air Act" organization: Abbr. | 
             | 
             | 
          
          
            | Waste watchers' org | 
            Universal | 
            09 Nov 2020 | 
          
          
            | Org. that awards the Safer Choice label | 
            New York Times | 
            08 Nov 2020 | 
          
          
            | Air quality monitoring organization: Abbr. | 
             | 
             | 
          
          
            | Org. that registers pesticides | 
            Newsday | 
            05 Nov 2020 | 
          
          
            | Air quality-monitoring organization: Abbr. | 
             | 
             | 
          
          
            | Org. established by Nixon | 
            LA Times Daily | 
            30 Oct 2020 | 
          
          
            | Org. established by Nixon | 
            The Washington Post | 
            30 Oct 2020 | 
          
          
            | Eco-conscious org | 
            The Washington Post | 
            25 Oct 2020 | 
          
          
            | Eco-conscious org | 
            LA Times Daily | 
            25 Oct 2020 | 
          
          
            | Org. that released the Smoke Sense app | 
            The Washington Post Sunday | 
            18 Oct 2020 | 
          
          
            | Oil Pollution Act org | 
            USA Today | 
            14 Oct 2020 | 
          
          
            | Clean Water Act org | 
            USA Today | 
            12 Oct 2020 | 
          
          
            | Environmentalists' org | 
            Canadiana | 
            12 Oct 2020 | 
          
          
            | Fuel economy authority, for short | 
            New York Times | 
            08 Oct 2020 | 
          
          
            | Government org. that's an animal backward | 
            USA Today | 
            27 Sep 2020 | 
          
          
            | Smog rating org | 
            USA Today | 
            23 Sep 2020 | 
          
          
            | Green org | 
            Universal | 
            17 Sep 2020 | 
          
          
            | Safe Drinking Water Act enforcer, for short | 
            New York Times | 
            07 Sep 2020 | 
          
          
            | Environmental org | 
            Canadiana | 
            31 Aug 2020 | 
          
          
            | Clean Air Act organization: Abbr. | 
             | 
             | 
          
          
            | Clean Air Act org | 
            Universal | 
            10 Aug 2020 | 
          
          
            | Org. concerned with sustainability | 
            New York Times | 
            14 Jul 2020 | 
          
          
            | Pollution control group: Abbr. | 
             | 
             | 
          
          
            | Org. with an oil spill prevention program | 
            Wall Street Journal | 
            06 Jul 2020 | 
          
          
            | Org. that publishes the newsletter GoGreen! | 
            USA Today | 
            26 Jun 2020 | 
          
          
            | Pollution-regulating organization: Abbr. | 
             | 
             | 
          
          
            | Fuel economy testing org | 
            USA Today | 
            19 Jun 2020 | 
          
          
            | Energy Star org | 
            Newsday | 
            18 Jun 2020 | 
          
          
            | Safe Drinking Water Act org | 
            USA Today | 
            11 Jun 2020 | 
          
          
            | Org. with monitors | 
            New York Times | 
            03 Jun 2020 | 
          
          
            | Superfund org | 
            Wall Street Journal | 
            03 Jun 2020 | 
          
          
            | Water safety org | 
            New York Times | 
            31 May 2020 | 
          
          
            | Air quality agcy | 
            Newsday | 
            27 May 2020 | 
          
          
            | Org. concerned with PCB's | 
            The Washington Post | 
            25 May 2020 | 
          
          
            | Org. concerned with PCB's | 
            LA Times Daily | 
            25 May 2020 | 
          
          
            | Water monitor, for short | 
            New York Times | 
            23 May 2020 | 
          
          
            | Clean Water Act org | 
            The Washington Post | 
            23 May 2020 | 
          
          
            | Clean Water Act org | 
            LA Times Daily | 
            23 May 2020 | 
          
          
            | Office of Air and Radiation org | 
            USA Today | 
            16 May 2020 | 
          
          
            | Annual fuel-economy publisher | 
            Newsday | 
            15 May 2020 | 
          
          
            | Air quality index org | 
            Universal | 
            27 Apr 2020 | 
          
          
            | Water tester, briefly? | 
            Universal | 
            25 Apr 2020 | 
          
          
            | Org. that awards the Energy Star label | 
            New York Times | 
            25 Apr 2020 | 
          
          
            | Govt. pollution watchdog | 
            Wall Street Journal | 
            20 Apr 2020 | 
          
          
            | Emissions watchdog, for short | 
            New York Times | 
            14 Apr 2020 | 
          
          
            | Org. that cleans up oil spills | 
            New York Times | 
            06 Apr 2020 | 
          
          
            | Org. with the Office of Land and Emergency Management | 
            New York Times | 
            04 Apr 2020 | 
          
          
            | Greener Living org | 
            LA Times Daily | 
            25 Mar 2020 | 
          
          
            | Greener Living org | 
            The Washington Post | 
            25 Mar 2020 | 
          
          
            | Smog-monitoring org | 
            New York Times | 
            23 Mar 2020 | 
          
          
            | Publisher of recycling guides | 
            Newsday | 
            20 Mar 2020 | 
          
          
            | UV index monitor | 
            New York Times | 
            22 Feb 2020 | 
          
          
            | Lead monitor, for short | 
            LA Times Daily | 
            16 Feb 2020 | 
          
          
            | Lead monitor, for short | 
            The Washington Post | 
            16 Feb 2020 | 
          
          
            | Fuel economy authority, for short | 
             | 
             | 
          
          
            | Org. seeking clean skies | 
             | 
             | 
          
          
            | Clean air gp | 
            Premier Sunday | 
            19 Jan 2020 | 
          
          
            | Clean Air Act org | 
            LA Times Daily | 
            05 Jan 2020 | 
          
          
            | Clean Air Act org | 
            The Washington Post | 
            05 Jan 2020 | 
          
          
            | Green-minded gp | 
            Premier Sunday | 
            05 Jan 2020 | 
          
          
            | MPG-testing org | 
            The Washington Post | 
            30 Dec 2019 | 
          
          
            | MPG-testing org | 
            LA Times Daily | 
            30 Dec 2019 | 
          
          
            | MPG agency | 
            Newsday | 
            27 Dec 2019 | 
          
          
            | Org. with a plant on its seal | 
            Universal | 
            14 Dec 2019 | 
          
          
            | MPG-rating org | 
            Thomas Joseph | 
            11 Dec 2019 | 
          
          
            | Mercury-tracking org | 
            The Washington Post Sunday | 
            08 Dec 2019 | 
          
          
            | Radon-monitoring org | 
            The Washington Post Sunday | 
            01 Dec 2019 | 
          
          
            | Gp. that's supposed to be green | 
            Jonesin | 
            19 Nov 2019 | 
          
          
            | Pollution regulating organization: Abbr. | 
             | 
             | 
          
          
            | Fuel economy org. | 
             | 
             | 
          
          
            | Govt. smog watchdog | 
            USA Today | 
            13 Nov 2019 | 
          
          
            | Ecol. monitor | 
            Premier Sunday | 
            03 Nov 2019 | 
          
          
            | Govt. air monitor | 
            Newsday | 
            03 Nov 2019 | 
          
          
            | Air-quality org | 
            USA Today | 
            11 Oct 2019 | 
          
          
            | Air-quality org | 
            New York Times | 
            08 Oct 2019 | 
          
          
            | Air-quality org. | 
             | 
             | 
          
          
            | Superfund agcy | 
            Jonesin | 
            08 Oct 2019 | 
          
          
            | Clean air agcy | 
            Newsday | 
            25 Sep 2019 | 
          
          
            | Clean air org | 
            Universal | 
            19 Sep 2019 | 
          
          
            | Pollution watchdog org | 
            USA Today | 
            15 Sep 2019 | 
          
          
            | Org. concerned with cleanups | 
            USA Today | 
            12 Sep 2019 | 
          
          
            | Pollution monitoring org | 
            Newsday | 
            10 Sep 2019 | 
          
          
            | Pollution watchdog, for short | 
            New York Times | 
            27 Aug 2019 | 
          
          
            | 'Learn about the UV Index' org | 
            The Washington Post | 
            22 Aug 2019 | 
          
          
            | "Learn about the UV Index" org | 
            LA Times Daily | 
            22 Aug 2019 | 
          
          
            | Green gp | 
            Premier Sunday | 
            11 Aug 2019 | 
          
          
            | Organization that promotes clean air: Abbr. | 
             | 
             | 
          
          
            | U.S antipollution organization: Abbr. | 
             | 
             | 
          
          
            | Water quality org | 
            Premier Sunday | 
            21 Jul 2019 | 
          
          
            | Green branch, for short | 
            New York Times | 
            17 Jul 2019 | 
          
          
            | MPG-rating org | 
            The Washington Post Sunday | 
            07 Jul 2019 | 
          
          
            | 92-Across banner | 
            LA Times Daily | 
            30 Jun 2019 | 
          
          
            | 92-Across banner | 
            The Washington Post | 
            30 Jun 2019 | 
          
          
            | Organization concerned with global warming: Abbr. | 
             | 
             | 
          
          
            | AQI monitor | 
            The Washington Post | 
            26 Jun 2019 | 
          
          
            | AQI monitor | 
            LA Times Daily | 
            26 Jun 2019 | 
          
          
            | US air monitor | 
            Newsday | 
            23 Jun 2019 | 
          
          
            | Fed. air quality group | 
            Universal | 
            18 Jun 2019 | 
          
          
            | Org. with a two-leaved flower logo | 
            LA Times Daily | 
            16 Jun 2019 | 
          
          
            | Org. with a two-leaved flower logo | 
            The Washington Post | 
            16 Jun 2019 | 
          
          
            | Pollution-regulating org | 
            Universal | 
            11 Jun 2019 | 
          
          
            | Air quality watchdog created by the Nixon admin | 
            New York Times | 
            10 Jun 2019 | 
          
          
            | Radon-regulating org | 
            The Washington Post | 
            07 Jun 2019 | 
          
          
            | Radon-regulating org | 
            LA Times Daily | 
            07 Jun 2019 | 
          
          
            | Pollution monitoring gp | 
            LA Times Daily | 
            01 Jun 2019 | 
          
          
            | Pollution monitoring gp | 
            The Washington Post | 
            01 Jun 2019 | 
          
          
            | Org. concerned with the AQI | 
            USA Today | 
            21 May 2019 | 
          
          
            | Org. concerned with ecosystems | 
            New York Times | 
            20 May 2019 | 
          
          
            | Energy Star org | 
            USA Today | 
            09 May 2019 | 
          
          
            | Org. monitoring wetlands | 
            LA Times Daily | 
            03 May 2019 | 
          
          
            | Org. monitoring wetlands | 
            The Washington Post | 
            03 May 2019 | 
          
          
            | UV index monitor | 
            Newsday | 
            25 Apr 2019 | 
          
          
            | GoGreen! publisher | 
            The Washington Post Sunday | 
            14 Apr 2019 | 
          
          
            | Clean School Bus USA org | 
            Wall Street Journal | 
            11 Apr 2019 | 
          
          
            | Energy Star co-mgr | 
            The Washington Post | 
            03 Apr 2019 | 
          
          
            | Energy Star co-mgr | 
            LA Times Daily | 
            03 Apr 2019 | 
          
          
            | River cleanup org | 
            Universal | 
            01 Apr 2019 | 
          
          
            | Org. that's supposed to be green | 
            Jonesin | 
            19 Mar 2019 | 
          
          
            | Government org. with a flower logo | 
            USA Today | 
            11 Mar 2019 | 
          
          
            | Org. hiring ecologists | 
            The Washington Post Sunday | 
            10 Mar 2019 | 
          
          
            | Setter of water standards | 
            Newsday | 
            01 Mar 2019 | 
          
          
            | Ecology monitoring organization: Abbr. | 
             | 
             | 
          
          
            | Gov. pollution watchdog | 
            Universal | 
            22 Feb 2019 | 
          
          
            | Energy Star co-manager | 
            Newsday | 
            22 Feb 2019 | 
          
          
            | Clean air org | 
            USA Today | 
            14 Feb 2019 | 
          
          
            | American agency in charge of environmental protection: Abbr. | 
             | 
             | 
          
          
            | Org. concerned with brownfields | 
            The Washington Post | 
            03 Feb 2019 | 
          
          
            | Org. concerned with brownfields | 
            LA Times Daily | 
            03 Feb 2019 | 
          
          
            | Mercury-regulating org | 
            Universal | 
            31 Jan 2019 | 
          
          
            | Watchdog org. established by Nixon | 
            New York Times | 
            27 Jan 2019 | 
          
          
            | Clean-air org | 
            Eugene Sheffer | 
            17 Jan 2019 | 
          
          
            | Clean energy org | 
            Universal | 
            17 Jan 2019 | 
          
          
            | Org. with an Acid Rain Program | 
            The Washington Post | 
            06 Jan 2019 | 
          
          
            | Org. with an Acid Rain Program | 
            LA Times Daily | 
            06 Jan 2019 | 
          
          
            | Org. concerned with cleanups | 
             | 
             | 
          
          
            | Government org. with a flower logo | 
             | 
             | 
          
          
            | Clean air org. | 
             | 
             | 
          
          
            | Air-quality org. | 
             | 
             | 
          
          
            | Green org. | 
             | 
             | 
          
          
            | Air quality watchdog created by the Nixon admin. | 
             | 
             | 
          
          
            | MPG-testing org. | 
             | 
             | 
          
          
            | Energy Star org. | 
             | 
             | 
          
          
            | River cleanup org. | 
             | 
             | 
          
          
            | Clean School Bus USA org. | 
             | 
             | 
          
          
            | Govt. pollution watchdog | 
             | 
             | 
          
          
            | Pollution-regulating org. | 
             | 
             | 
          
          
            | Mercury-regulating org. | 
             | 
             | 
          
          
            | Gov. pollution watchdog | 
             | 
             | 
          
          
            | Antipollution org. | 
             | 
             | 
          
          
            | Cleanup grp. | 
             | 
             | 
          
          
            | Green branch, for short | 
             | 
             | 
          
          
            | Org. concerned with ecosystems | 
             | 
             | 
          
          
            | Pollution watchdog, for short | 
             | 
             | 
          
          
            | Watchdog org. established by Nixon | 
             | 
             | 
          
          
            | Fed. air quality group | 
             | 
             | 
          
          
            | Clean air org. | 
             | 
             | 
          
          
            | "Learn about the UV Index" org. | 
             | 
             | 
          
          
            | 92-Across banner | 
             | 
             | 
          
          
            | AQI monitor | 
             | 
             | 
          
          
            | Energy Star co-mgr. | 
             | 
             | 
          
          
            | Greener Living org. | 
             | 
             | 
          
          
            | Org. concerned with brownfields | 
             | 
             | 
          
          
            | Org. monitoring wetlands | 
             | 
             | 
          
          
            | Org. with a two-leaved flower logo | 
             | 
             | 
          
          
            | Org. with an Acid Rain Program | 
             | 
             | 
          
          
            | Pollution monitoring gp. | 
             | 
             | 
          
          
            | Radon-regulating org. | 
             | 
             | 
          
          
            | Pollution watchdog org. | 
             | 
             | 
          
          
            | Org. concerned with the AQI | 
             | 
             | 
          
          
            | Clean energy org. | 
             | 
             | 
          
          
            | DDT banner of 1972 | 
            The Washington Post Sunday | 
            30 Dec 2018 | 
          
          
            | Pollution control grp | 
            Universal | 
            28 Dec 2018 | 
          
          
            | Fed. science org | 
            New York Times | 
            27 Dec 2018 | 
          
          
            | Smog Rating org | 
            USA Today | 
            21 Dec 2018 | 
          
          
            | Pollution monitor | 
            Newsday | 
            13 Dec 2018 | 
          
          
            | Air monitoring org | 
            Newsday | 
            09 Dec 2018 | 
          
          
            | Clean Air Act org | 
            Wall Street Journal | 
            28 Nov 2018 | 
          
          
            | Smog-watching agcy | 
            Newsday | 
            04 Nov 2018 | 
          
          
            | Safe drinking water org | 
            USA Today | 
            03 Nov 2018 | 
          
          
            | Taker of ppm measurements | 
            LA Times Daily | 
            26 Oct 2018 | 
          
          
            | Taker of ppm measurements | 
            The Washington Post | 
            26 Oct 2018 | 
          
          
            | Cleanup org | 
            Premier Sunday | 
            21 Oct 2018 | 
          
          
            | Govt. wetlands overseer | 
            USA Today | 
            19 Oct 2018 | 
          
          
            | Org. founded under Nixon | 
            New York Times | 
            07 Oct 2018 | 
          
          
            | Org. with a flower logo | 
            The New Yorker | 
            01 Oct 2018 | 
          
          
            | Green-minded org | 
            New York Times | 
            26 Sep 2018 | 
          
          
            | Org. that publishes the newsletter GoGreen! | 
            The Washington Post | 
            24 Sep 2018 | 
          
          
            | Org. that publishes the newsletter GoGreen! | 
            LA Times Daily | 
            24 Sep 2018 | 
          
          
            | Pollution control org | 
            USA Today | 
            11 Sep 2018 | 
          
          
            | Organization that cares about air quality: Abbr. | 
             | 
             | 
          
          
            | Antipollution organization: Abbr. | 
             | 
             | 
          
          
            | Org. headed by Scott Pruitt until July 2018 | 
            Wall Street Journal | 
            30 Aug 2018 | 
          
          
            | Organization that promotes clean air: Abbr. | 
             | 
             | 
          
          
            | Org. dealing with brownfields | 
            LA Times Daily | 
            24 Aug 2018 | 
          
          
            | Org. dealing with brownfields | 
            The Washington Post | 
            24 Aug 2018 | 
          
          
            | Ecology agcy | 
            Newsday | 
            22 Aug 2018 | 
          
          
            | Toxin-monitoring org | 
            The Washington Post Sunday | 
            19 Aug 2018 | 
          
          
            | MPG org | 
            Premier Sunday | 
            19 Aug 2018 | 
          
          
            | Org. that's (supposed to be) concerned with pollution | 
            Jonesin | 
            14 Aug 2018 | 
          
          
            | Clean Air Act org | 
            New York Times | 
            06 Aug 2018 | 
          
          
            | Org. with a Clean School Bus program | 
            The Washington Post Sunday | 
            05 Aug 2018 | 
          
          
            | Fed. air quality monitor | 
            USA Today | 
            03 Aug 2018 | 
          
          
            | Green group led by Scott Pruitt: Abbr. | 
             | 
             | 
          
          
            | Group that monitors climate change: Abbr. | 
             | 
             | 
          
          
            | MPG-rating org | 
            Premier Sunday | 
            08 Jul 2018 | 
          
          
            | Anti-DDT org | 
            USA Today | 
            25 Jun 2018 | 
          
          
            | Org. with an Office of Water | 
            The New Yorker | 
            18 Jun 2018 | 
          
          
            | They test the waters: Abbr | 
            LA Times Daily | 
            15 Jun 2018 | 
          
          
            | They test the waters: Abbr | 
            The Washington Post | 
            15 Jun 2018 | 
          
          
            | Smog watchdog org | 
            USA Today | 
            11 Jun 2018 | 
          
          
            | Air quality gp | 
            Premier Sunday | 
            03 Jun 2018 | 
          
          
            | Oil spill-researching org | 
            USA Today | 
            02 Jun 2018 | 
          
          
            | Org. concerned with emissions | 
            The Washington Post | 
            24 May 2018 | 
          
          
            | Org. concerned with emissions | 
            LA Times Daily | 
            24 May 2018 | 
          
          
            | Clean air org | 
            Newsday | 
            23 May 2018 | 
          
          
            | Federal supporter of FEMA | 
            Newsday | 
            19 May 2018 | 
          
          
            | Ecological monitor | 
            Newsday | 
            17 May 2018 | 
          
          
            | Org. with a flower logo | 
            New York Times | 
            13 May 2018 | 
          
          
            | Green org | 
            USA Today | 
            10 May 2018 | 
          
          
            | Clean Air Act organization: Abbr. | 
             | 
             | 
          
          
            | Green org | 
            New York Times | 
            29 Apr 2018 | 
          
          
            | Federal supporter of ''citizen science'' | 
            Newsday | 
            28 Apr 2018 | 
          
          
            | Ratings org | 
            New York Times | 
            27 Apr 2018 | 
          
          
            | Eco-friendly org | 
            Newsday | 
            22 Apr 2018 | 
          
          
            | Org. that monitors wetlands | 
            The Washington Post | 
            11 Apr 2018 | 
          
          
            | Org. that monitors wetlands | 
            LA Times Daily | 
            11 Apr 2018 | 
          
          
            | Emissions-monitoring org | 
            Wall Street Journal | 
            07 Apr 2018 | 
          
          
            | Organization concerned with global warming: Abbr. | 
             | 
             | 
          
          
            | Antipollution agency: Abbr. | 
             | 
             | 
          
          
            | Environmental protection org | 
            Canadiana | 
            26 Mar 2018 | 
          
          
            | Org. established during Nixon's presidency | 
            New York Times | 
            22 Mar 2018 | 
          
          
            | Cleanup org | 
            Wall Street Journal | 
            21 Mar 2018 | 
          
          
            | Org. whose mission involves emissions | 
            New York Times | 
            08 Mar 2018 | 
          
          
            | #TestforRadon org | 
            The Washington Post | 
            22 Feb 2018 | 
          
          
            | #TestforRadon org | 
            LA Times Daily | 
            22 Feb 2018 | 
          
          
            | Clean-air org | 
            Newsday | 
            21 Feb 2018 | 
          
          
            | Clean energy org | 
            Premier Sunday | 
            11 Feb 2018 | 
          
          
            | Org. that began the Energy Star program | 
            Wall Street Journal | 
            06 Feb 2018 | 
          
          
            | Org. concerned with soil and water | 
            New York Times | 
            16 Jan 2018 | 
          
          
            | Org. with a flower logo | 
             | 
             | 
          
          
            | Green org. | 
             | 
             | 
          
          
            | #TestforRadon org. | 
             | 
             | 
          
          
            | Org. concerned with emissions | 
             | 
             | 
          
          
            | Org. dealing with brownfields | 
             | 
             | 
          
          
            | Org. that monitors wetlands | 
             | 
             | 
          
          
            | Org. that publishes the newsletter GoGreen! | 
             | 
             | 
          
          
            | Taker of ppm measurements | 
             | 
             | 
          
          
            | They test the waters: Abbr. | 
             | 
             | 
          
          
            | Pollution control grp. | 
             | 
             | 
          
          
            | Emissions-monitoring org. | 
             | 
             | 
          
          
            | Org. headed by Scott Pruitt until July 2018 | 
             | 
             | 
          
          
            | Clean Air Act org. | 
             | 
             | 
          
          
            | Smog watchdog org. | 
             | 
             | 
          
          
            | Smog Rating org. | 
             | 
             | 
          
          
            | Safe drinking water org. | 
             | 
             | 
          
          
            | Pollution control org. | 
             | 
             | 
          
          
            | Oil spill-researching org. | 
             | 
             | 
          
          
            | Green org. | 
             | 
             | 
          
          
            | Govt. wetlands overseer | 
             | 
             | 
          
          
            | Fed. air quality monitor | 
             | 
             | 
          
          
            | Anti-DDT org. | 
             | 
             | 
          
          
            | Clean Air Act org. | 
             | 
             | 
          
          
            | Fed. science org. | 
             | 
             | 
          
          
            | Green-minded org. | 
             | 
             | 
          
          
            | Org. concerned with soil and water | 
             | 
             | 
          
          
            | Org. established during Nixon's presidency | 
             | 
             | 
          
          
            | Org. founded under Nixon | 
             | 
             | 
          
          
            | Org. whose mission involves emissions | 
             | 
             | 
          
          
            | Ratings org. | 
             | 
             | 
          
          
            | Org, with a WaterSense program | 
            Newsday | 
            15 Dec 2017 | 
          
          
            | Emission standards org | 
            USA Today | 
            08 Dec 2017 | 
          
          
            | Superfund org | 
            New York Times | 
            03 Dec 2017 | 
          
          
            | Sample-collecting org | 
            New York Times | 
            26 Nov 2017 | 
          
          
            | Energystar.gov org | 
            USA Today | 
            20 Nov 2017 | 
          
          
            | UV index monitor: Abbr | 
            The Washington Post | 
            06 Nov 2017 | 
          
          
            | UV index monitor: Abbr | 
            LA Times Daily | 
            06 Nov 2017 | 
          
          
            | Fuel economy org | 
            Jonesin | 
            24 Oct 2017 | 
          
          
            | MPG rating group | 
            Jonesin | 
            10 Oct 2017 | 
          
          
            | Org. concerned with 9-Down | 
            New York Times | 
            07 Oct 2017 | 
          
          
            | Energy Star Day org | 
            USA Today | 
            24 Sep 2017 | 
          
          
            | MPG-rating agcy | 
            Newsday | 
            17 Sep 2017 | 
          
          
            | Org. that banned DDT | 
            The Washington Post Sunday | 
            17 Sep 2017 | 
          
          
            | Energy Star co-creator, familiarly | 
            LA Times Daily | 
            10 Sep 2017 | 
          
          
            | Energy Star co-creator, familiarly | 
            The Washington Post | 
            10 Sep 2017 | 
          
          
            | DDT-banning org | 
            USA Today | 
            08 Sep 2017 | 
          
          
            | Mpg rating group | 
            USA Today | 
            05 Sep 2017 | 
          
          
            | Eco-conscious org | 
            Universal | 
            28 Aug 2017 | 
          
          
            | Grp. that can ban chemicals | 
            Universal | 
            18 Aug 2017 | 
          
          
            | Ecol. watchdog (we can hope) | 
            Jonesin | 
            25 Jul 2017 | 
          
          
            | WaterSense program overseer, for short | 
            Wall Street Journal | 
            22 Jul 2017 | 
          
          
            | Plant-monitoring org | 
            New York Times | 
            08 Jul 2017 | 
          
          
            | Antipollution org | 
            Wall Street Journal | 
            27 Jun 2017 | 
          
          
            | Govt. ecology org | 
            Premier Sunday | 
            18 Jun 2017 | 
          
          
            | Org. created the same year as the first Earth Day | 
            LA Times Daily | 
            05 Jun 2017 | 
          
          
            | Org. created the same year as the first Earth Day | 
            The Washington Post | 
            05 Jun 2017 | 
          
          
            | "GoGreen!" org | 
            USA Today | 
            01 Jun 2017 | 
          
          
            | Org. that promotes Energy Star Day | 
            New York Times | 
            26 May 2017 | 
          
          
            | Org. involved with massive cleanups | 
            Wall Street Journal | 
            08 May 2017 | 
          
          
            | March observances | 
            Canadiana | 
            01 May 2017 | 
          
          
            | Org. concerned with climate change | 
            The Washington Post | 
            29 Apr 2017 | 
          
          
            | Org. concerned with climate change | 
            LA Times Daily | 
            29 Apr 2017 | 
          
          
            | Org. concerned with ecology | 
            New York Times | 
            12 Apr 2017 | 
          
          
            | Pollution police, for short | 
            New York Times | 
            03 Apr 2017 | 
          
          
            | Wetlands regulator, for short | 
            New York Times | 
            24 Mar 2017 | 
          
          
            | Green govt. group | 
            New York Times | 
            21 Mar 2017 | 
          
          
            | Superfund agcy | 
            LA Times Daily | 
            29 Jan 2017 | 
          
          
            | Dept. focused on health and natural resources | 
            The Washington Post | 
            25 Jan 2017 | 
          
          
            | Org. concerned with water quality | 
            New York Times | 
            15 Jan 2017 | 
          
          
            | Smog measurers | 
            Universal | 
            15 Jan 2017 | 
          
          
            | Org. that promotes recycling | 
            The Washington Post | 
            14 Jan 2017 | 
          
          
            | Org. that banned DDT | 
            USA Today | 
            12 Jan 2017 | 
          
          
            | Waste watchers' org.? | 
            Wall Street Journal | 
            11 Jan 2017 | 
          
          
            | MPG-estimating org | 
            LA Times Daily | 
            07 Jan 2017 | 
          
          
            | Org. concerned with 9-Down | 
             | 
             | 
          
          
            | "GoGreen!" org. | 
             | 
             | 
          
          
            | Superfund org. | 
             | 
             | 
          
          
            | DDT-banning org. | 
             | 
             | 
          
          
            | Emission standards org. | 
             | 
             | 
          
          
            | Energy Star Day org. | 
             | 
             | 
          
          
            | Energystar.gov org. | 
             | 
             | 
          
          
            | Mpg rating group | 
             | 
             | 
          
          
            | Org. that banned DDT | 
             | 
             | 
          
          
            | Wetlands regulator, for short | 
             | 
             | 
          
          
            | Sample-collecting org. | 
             | 
             | 
          
          
            | Pollution police, for short | 
             | 
             | 
          
          
            | Plant-monitoring org. | 
             | 
             | 
          
          
            | Org. that promotes Energy Star Day | 
             | 
             | 
          
          
            | Org. concerned with water quality | 
             | 
             | 
          
          
            | Org. concerned with ecology | 
             | 
             | 
          
          
            | Green govt. group | 
             | 
             | 
          
          
            | Smog measurers | 
             | 
             | 
          
          
            | UV index monitor: Abbr. | 
             | 
             | 
          
          
            | Grp. that can ban chemicals | 
             | 
             | 
          
          
            | Org. created the same year as the first Earth Day | 
             | 
             | 
          
          
            | Org. concerned with climate change | 
             | 
             | 
          
          
            | MPG-estimating org. | 
             | 
             | 
          
          
            | Energy Star co-creator, familiarly | 
             | 
             | 
          
          
            | Eco-conscious org. | 
             | 
             | 
          
          
            | Clean Water Act org | 
            Wall Street Journal | 
            31 Dec 2016 | 
          
          
            | UV index monitor | 
            LA Times Daily | 
            25 Dec 2016 | 
          
          
            | Org. concerned with climate change | 
            New York Times | 
            20 Dec 2016 | 
          
          
            | Clean air org | 
            The Washington Post | 
            16 Dec 2016 | 
          
          
            | Nature-nurturing org | 
            LA Times Daily | 
            26 Nov 2016 | 
          
          
            | Org. with the Energy Star program | 
            The Chronicle of Higher Education | 
            25 Nov 2016 | 
          
          
            | Ecol. watchdog | 
            USA Today | 
            09 Nov 2016 | 
          
          
            | Group that banned DDT | 
            The Washington Post | 
            03 Nov 2016 | 
          
          
            | It has pollution solutions | 
            Wall Street Journal | 
            28 Oct 2016 | 
          
          
            | Gp. overseeing toxic cleanups | 
            Jonesin | 
            25 Oct 2016 | 
          
          
            | MPG monitor | 
            Newsday | 
            23 Oct 2016 | 
          
          
            | Clean energy grp | 
            New York Times | 
            23 Oct 2016 | 
          
          
            | Grime-fighting org | 
            LA Times Daily | 
            29 Sep 2016 | 
          
          
            | Ecology-minded org | 
            USA Today | 
            22 Sep 2016 | 
          
          
            | Earth Day org | 
            USA Today | 
            13 Sep 2016 | 
          
          
            | Ecologically oriented org | 
            New York Times | 
            12 Sep 2016 | 
          
          
            | Fed. overseer of climate change policy | 
            The Washington Post | 
            07 Sep 2016 | 
          
          
            | Clean air org | 
            Premier Sunday | 
            04 Sep 2016 | 
          
          
            | Superfund org | 
            Newsday | 
            02 Sep 2016 | 
          
          
            | Org. concerned with toxin levels | 
            The Washington Post | 
            01 Sep 2016 | 
          
          
            | Roar producer | 
            New York Times | 
            01 Sep 2016 | 
          
          
            | Energy Star org | 
            New York Times | 
            29 Aug 2016 | 
          
          
            | Govt. agency with a flower logo | 
            Wall Street Journal | 
            19 Aug 2016 | 
          
          
            | Agcy. that polices polluters | 
            Wall Street Journal | 
            01 Aug 2016 | 
          
          
            | Superfund org | 
            The Washington Post | 
            01 Aug 2016 | 
          
          
            | Pollution watchdog (abbr.) | 
            The Washington Post | 
            22 Jul 2016 | 
          
          
            | Cap-and-trade org | 
            New York Times | 
            17 Jul 2016 | 
          
          
            | Org. that covers Springfield in a dome in 'The Simpsons Movie' | 
            New York Times | 
            01 Jul 2016 | 
          
          
            | Smog control org | 
            USA Today | 
            18 Jun 2016 | 
          
          
            | Group concerned with mpg | 
            USA Today | 
            17 Jun 2016 | 
          
          
            | Greenpeace, etc | 
            Canadiana | 
            13 Jun 2016 | 
          
          
            | Smog watchdog org | 
            The Washington Post | 
            08 Jun 2016 | 
          
          
            | Anti-pollution org | 
            USA Today | 
            07 Jun 2016 | 
          
          
            | Nixon admin. creation | 
            LA Times Daily | 
            03 Jun 2016 | 
          
          
            | Smog-fighting org | 
            Family Time | 
            30 May 2016 | 
          
          
            | Waste-watching org | 
            Wall Street Journal | 
            25 May 2016 | 
          
          
            | Pollution-monitoring org | 
            LA Times Daily | 
            24 May 2016 | 
          
          
            | Smog-battling org | 
            The Washington Post | 
            22 May 2016 | 
          
          
            | Toxic spill-fighting gp | 
            Universal | 
            14 May 2016 | 
          
          
            | Enforcer of the Solid Waste Disposal Act, for short | 
            New York Times | 
            12 May 2016 | 
          
          
            | Antipollution org | 
            Newsday | 
            11 May 2016 | 
          
          
            | Air quality org | 
            Universal | 
            09 May 2016 | 
          
          
            | Fuel-economy org | 
            Universal | 
            08 May 2016 | 
          
          
            | Energy Star org | 
            Universal | 
            28 Apr 2016 | 
          
          
            | Energy Star program org | 
            Newsday | 
            28 Apr 2016 | 
          
          
            | Fed. pollution monitor | 
            The Washington Post | 
            22 Apr 2016 | 
          
          
            | Clean Air Act administrative gp | 
            LA Times Daily | 
            20 Apr 2016 | 
          
          
            | Waste watchers: Abbr | 
            LA Times Daily | 
            12 Apr 2016 | 
          
          
            | Org. established by President Nixon | 
            New York Times | 
            10 Apr 2016 | 
          
          
            | Emissions-monitoring org | 
            Universal | 
            10 Apr 2016 | 
          
          
            | Radon regulators, in brief | 
            New York Times | 
            05 Apr 2016 | 
          
          
            | Clean air org | 
            New York Times | 
            03 Apr 2016 | 
          
          
            | Smog-watching org | 
            USA Today | 
            03 Apr 2016 | 
          
          
            | Org. concerned with air quality | 
            The Washington Post | 
            23 Mar 2016 | 
          
          
            | Smog-monitoring org | 
            USA Today | 
            17 Mar 2016 | 
          
          
            | Org. with a WaterSense program | 
            LA Times Daily | 
            12 Mar 2016 | 
          
          
            | Mileage rating gp | 
            Premier Sunday | 
            21 Feb 2016 | 
          
          
            | Federal org. with a flower logo | 
            Newsday | 
            19 Feb 2016 | 
          
          
            | Grp. concerned with global warming | 
            New York Times | 
            17 Feb 2016 | 
          
          
            | Gov. pollution watchdog | 
            Newsday | 
            09 Feb 2016 | 
          
          
            | U.S. asbestos regulator | 
            New York Times | 
            09 Feb 2016 | 
          
          
            | Clean Water Act administrator | 
            Newsday | 
            28 Jan 2016 | 
          
          
            | Org. monitoring brownfields | 
            LA Times Daily | 
            15 Jan 2016 | 
          
          
            | Green grp | 
            New York Times | 
            03 Jan 2016 | 
          
          
            | Ecologically oriented org. | 
             | 
             | 
          
          
            | Nature-nurturing org. | 
             | 
             | 
          
          
            | Grime-fighting org. | 
             | 
             | 
          
          
            | UV index monitor | 
             | 
             | 
          
          
            | Org. concerned with climate change | 
             | 
             | 
          
          
            | Pollution-monitoring org. | 
             | 
             | 
          
          
            | Org. monitoring brownfields | 
             | 
             | 
          
          
            | Nixon admin. creation | 
             | 
             | 
          
          
            | Clean Air Act org. | 
             | 
             | 
          
          
            | Org. that covers Springfield in a dome in "The Simpsons Movie" | 
             | 
             | 
          
          
            | U.S. asbestos regulator | 
             | 
             | 
          
          
            | Smog control org. | 
             | 
             | 
          
          
            | MPG rating group | 
             | 
             | 
          
          
            | Ecology-minded org. | 
             | 
             | 
          
          
            | Anti-pollution org. | 
             | 
             | 
          
          
            | Earth Day org. | 
             | 
             | 
          
          
            | Antipollution org. | 
             | 
             | 
          
          
            | Org. with the Energy Star program | 
             | 
             | 
          
          
            | Cap-and-trade org. | 
             | 
             | 
          
          
            | Clean energy grp. | 
             | 
             | 
          
          
            | Energy Star org. | 
             | 
             | 
          
          
            | Green grp. | 
             | 
             | 
          
          
            | Grp. concerned with global warming | 
             | 
             | 
          
          
            | Inits. on a car sticker | 
             | 
             | 
          
          
            | Clean Air Act org | 
            Jonesin | 
            29 Dec 2015 | 
          
          
            | Anti-pollution org | 
            Newsday | 
            15 Dec 2015 | 
          
          
            | Org. concerned with pesticides | 
            LA Times Daily | 
            14 Dec 2015 | 
          
          
            | Smog control gp | 
            Eugene Sheffer | 
            12 Dec 2015 | 
          
          
            | Org. concerned with the AQI | 
            LA Times Daily | 
            03 Dec 2015 | 
          
          
            | Science Matters Newsletter publisher | 
            Newsday | 
            21 Nov 2015 | 
          
          
            | Org. that funds the National Exposure Research Laboratory | 
            The Washington Post | 
            19 Nov 2015 | 
          
          
            | Clean-air gp | 
            Eugene Sheffer | 
            13 Nov 2015 | 
          
          
            | Smog control gp | 
            The Washington Post | 
            06 Nov 2015 | 
          
          
            | Dump site monitor, for short | 
            New York Times | 
            01 Nov 2015 | 
          
          
            | Clean air org | 
            Wall Street Journal | 
            13 Oct 2015 | 
          
          
            | WaterSense program org | 
            Wall Street Journal | 
            03 Oct 2015 | 
          
          
            | Org. monitoring endangered species | 
            LA Times Daily | 
            02 Oct 2015 | 
          
          
            | Eco-friendly org | 
            Eugene Sheffer | 
            29 Sep 2015 | 
          
          
            | Air-quality org | 
            Newsday | 
            06 Sep 2015 | 
          
          
            | Org. concerned with 55 Across | 
            Newsday | 
            27 Aug 2015 | 
          
          
            | Org. whose resources partly go to waste? | 
            New York Times | 
            12 Aug 2015 | 
          
          
            | Org. concerned with clean air | 
            New York Times | 
            10 Aug 2015 | 
          
          
            | Earth savers, abbr | 
            Canadiana | 
            27 Jul 2015 | 
          
          
            | MPG-rating grp | 
            Thomas Joseph | 
            23 Jul 2015 | 
          
          
            | Government org. concerned with pollution | 
            Jonesin | 
            02 Jul 2015 | 
          
          
            | Org. concerned with smog | 
            LA Times Daily | 
            19 Jun 2015 | 
          
          
            | Smog-fighting govt. group | 
            New York Times | 
            15 Jun 2015 | 
          
          
            | Org. that regulates arsenic and asbestos | 
            New York Times | 
            14 Jun 2015 | 
          
          
            | Polluter-policing org | 
            Wall Street Journal | 
            12 Jun 2015 | 
          
          
            | Org. monitoring emissions | 
            The Chronicle of Higher Education | 
            29 May 2015 | 
          
          
            | Greenhouse gas regulator: Abbr | 
            LA Times Daily | 
            10 May 2015 | 
          
          
            | They have a flower logo | 
            Jonesin | 
            30 Apr 2015 | 
          
          
            | Org. that might employ a climatologist | 
            New York Times | 
            28 Apr 2015 | 
          
          
            | Federal ecology org | 
            Newsday | 
            22 Apr 2015 | 
          
          
            | ''Greening the Season'' proponent | 
            Newsday | 
            18 Apr 2015 | 
          
          
            | Air-quality agcy | 
            Newsday | 
            06 Apr 2015 | 
          
          
            | Fuel economy testing org | 
            LA Times Daily | 
            27 Mar 2015 | 
          
          
            | Agcy. involved with massive cleanups | 
            USA Today | 
            16 Feb 2015 | 
          
          
            | Clean-air agcy | 
            Newsday | 
            04 Feb 2015 | 
          
          
            | AQI monitor | 
            Premier Sunday | 
            01 Feb 2015 | 
          
          
            | Fuel economy org | 
            Premier Sunday | 
            18 Jan 2015 | 
          
          
            | Anti-pollution org. | 
             | 
             | 
          
          
            | Antipollution org. | 
             | 
             | 
          
          
            | Clean air org. | 
             | 
             | 
          
          
            | Gp. that seals off Springfield in "The Simpsons Movie" | 
             | 
             | 
          
          
            | Hazardous waste monitoring gp. | 
             | 
             | 
          
          
            | Org. concerned with global warming | 
             | 
             | 
          
          
            | Org. that funds the National Exposure Research Laboratory | 
             | 
             | 
          
          
            | Org. with an Office of Air and Radiation | 
             | 
             | 
          
          
            | Org. with radon on its radar | 
             | 
             | 
          
          
            | Smog control gp. | 
             | 
             | 
          
          
            | Monitor of PCBs | 
             | 
             | 
          
          
            | Fuel economy testing org. | 
             | 
             | 
          
          
            | Greenhouse gas regulator: Abbr. | 
             | 
             | 
          
          
            | Org. concerned with pesticides | 
             | 
             | 
          
          
            | Org. concerned with smog | 
             | 
             | 
          
          
            | Org. concerned with the AQI | 
             | 
             | 
          
          
            | Org. monitoring endangered species | 
             | 
             | 
          
          
            | Air-quality agcy. | 
             | 
             | 
          
          
            | Air-quality org. | 
             | 
             | 
          
          
            | Clean air org. | 
             | 
             | 
          
          
            | Clean-air agcy. | 
             | 
             | 
          
          
            | Federal ecology org. | 
             | 
             | 
          
          
            | MPG monitor | 
             | 
             | 
          
          
            | Org. concerned with 55 Across | 
             | 
             | 
          
          
            | Science Matters Newsletter publisher | 
             | 
             | 
          
          
            | UV index monitor | 
             | 
             | 
          
          
            | Polluter-policing org. | 
             | 
             | 
          
          
            | "Greening the Season" proponent | 
             | 
             | 
          
          
            | Federal ecology org. | 
             | 
             | 
          
          
            | Dump site monitor, for short | 
             | 
             | 
          
          
            | Org. concerned with clean air | 
             | 
             | 
          
          
            | Org. that might employ a climatologist | 
             | 
             | 
          
          
            | Org. that regulates arsenic and asbestos | 
             | 
             | 
          
          
            | Org. whose resources partly go to waste? | 
             | 
             | 
          
          
            | Org. with monitors | 
             | 
             | 
          
          
            | Smog-fighting govt. group | 
             | 
             | 
          
          
            | AQI monitor | 
             | 
             | 
          
          
            | Clean air gp. | 
             | 
             | 
          
          
            | Fuel economy org. | 
             | 
             | 
          
          
            | GOP debate bogeyman | 
             | 
             | 
          
          
            | Org. monitoring emissions | 
             | 
             | 
          
          
            | Agcy. involved with massive cleanups | 
             | 
             | 
          
          
            | Clean air org. | 
             | 
             | 
          
          
            | WaterSense program org. | 
             | 
             | 
          
          
            | Oil spill-monitoring org. | 
             | 
             | 
          
          
            | Org. concerned with 34-Across | 
             | 
             | 
          
          
            | Org. employing Walter Peck in "Ghostbusters" | 
             | 
             | 
          
          
            | Org. with a radon hotline | 
             | 
             | 
          
          
            | Superfund administrator (abbr.) | 
             | 
             | 
          
          
            | Creator of carbon rules | 
             | 
             | 
          
          
            | Govt. emissions watchdog | 
             | 
             | 
          
          
            | Air-quality monitor (Abbr.) | 
             | 
             | 
          
          
            | Waste watchers (abbr.) | 
             | 
             | 
          
          
            | U.S. govt. eco-regulators | 
             | 
             | 
          
          
            | Sustainable practices grp. | 
             | 
             | 
          
          
            | Water-quality org. | 
             | 
             | 
          
          
            | Wetlands protection org. | 
             | 
             | 
          
          
            | Pollution-fighting org. | 
             | 
             | 
          
          
            | Org. concerned with greenhouse gases | 
             | 
             | 
          
          
            | Org. concerned with CFCs | 
             | 
             | 
          
          
            | Antipollution gp. | 
             | 
             | 
          
          
            | Lead monitor, for short | 
             | 
             | 
          
          
            | ENERGY STAR promoter, briefly | 
             | 
             | 
          
          
            | Mileage-testing grp. | 
             | 
             | 
          
          
            | Org. tasked with enforcing the Clean Air Act | 
             | 
             | 
          
          
            | Federal org. with a flower in its logo | 
             | 
             | 
          
          
            | Ecology agency | 
             | 
             | 
          
          
            | Green-minded org. | 
             | 
             | 
          
          
            | WasteWise watchdog (abbr.) | 
             | 
             | 
          
          
            | Org. behind the AirNOW app | 
             | 
             | 
          
          
            | MPG rater | 
             | 
             | 
          
          
            | Clean air agcy. | 
             | 
             | 
          
          
            | Clean Water Act agcy. | 
             | 
             | 
          
          
            | Spill-fighting gp. | 
             | 
             | 
          
          
            | Pollution-fighting org. | 
             | 
             | 
          
          
            | Mileage rating org. | 
             | 
             | 
          
          
            | MPG-rating org. | 
             | 
             | 
          
          
            | Green gp. | 
             | 
             | 
          
          
            | WaterSense agcy. | 
             | 
             | 
          
          
            | Air-quality monitor | 
             | 
             | 
          
          
            | Air-pollution org. | 
             | 
             | 
          
          
            | Org. that began the Energy Star program | 
             | 
             | 
          
          
            | Toxic avengers (abbr.) | 
             | 
             | 
          
          
            | Air Quality Index reporter | 
             | 
             | 
          
          
            | Watchdog gp. proposed by Nixon | 
             | 
             | 
          
          
            | Pollution-control grp. | 
             | 
             | 
          
          
            | Abbr. in many car ads | 
             | 
             | 
          
          
            | AQI monitor | 
             | 
             | 
          
          
            | Evil org. in "The Simpsons Movie" | 
             | 
             | 
          
          
            | Green monitor, for short? | 
             | 
             | 
          
          
            | Assessors of mpg | 
             | 
             | 
          
          
            | Org. with an Office of Air and Radiation | 
             | 
             | 
          
          
            | Agcy. that polices polluters | 
             | 
             | 
          
          
            | AQI monitor | 
             | 
             | 
          
          
            | Anti-pollution org. | 
             | 
             | 
          
          
            | Emissions watchdog gp. | 
             | 
             | 
          
          
            | Green org. | 
             | 
             | 
          
          
            | Green org. with a floral logo | 
             | 
             | 
          
          
            | Org. concerned with greenhouse gas | 
             | 
             | 
          
          
            | Water quality org. | 
             | 
             | 
          
          
            | Org. fining polluters | 
             | 
             | 
          
          
            | MPG monitor | 
             | 
             | 
          
          
            | Ecol. monitor | 
             | 
             | 
          
          
            | Pollution-control org. | 
             | 
             | 
          
          
            | DDT-banning gp. | 
             | 
             | 
          
          
            | Cleanup org. | 
             | 
             | 
          
          
            | Green gp. | 
             | 
             | 
          
          
            | Green org. | 
             | 
             | 
          
          
            | Anti-pollution org. | 
             | 
             | 
          
          
            | Clean air org. | 
             | 
             | 
          
          
            | Green org. | 
             | 
             | 
          
          
            | Green org. with a floral logo | 
             | 
             | 
          
          
            | MPG watchdog | 
             | 
             | 
          
          
            | Org. concerned with greenhouse gas | 
             | 
             | 
          
          
            | Green org. | 
             | 
             | 
          
          
            | Pollution-policing org. | 
             | 
             | 
          
          
            | Water quality org. | 
             | 
             | 
          
          
            | It monitors the UV Index | 
             | 
             | 
          
          
            | Org. created under Nixon | 
             | 
             | 
          
          
            | Emissions watchdog gp. | 
             | 
             | 
          
          
            | Pollution monitoring org. | 
             | 
             | 
          
          
            | energystar.gov grp. | 
             | 
             | 
          
          
            | Org. with an Office of Water | 
             | 
             | 
          
          
            | Org. with air and water standards | 
             | 
             | 
          
          
            | Org. that monitors oil spills | 
             | 
             | 
          
          
            | Org. that fines polluters | 
             | 
             | 
          
          
            | Abbr. in auto ads | 
             | 
             | 
          
          
            | DDT banner | 
             | 
             | 
          
          
            | Ecol. watchdog | 
             | 
             | 
          
          
            | Fed. enforcer of air quality standards | 
             | 
             | 
          
          
            | Org. established by Nixon | 
             | 
             | 
          
          
            | Air quality org. | 
             | 
             | 
          
          
            | Clean Air Act org. | 
             | 
             | 
          
          
            | Clean-air org. | 
             | 
             | 
          
          
            | Earth Day org. | 
             | 
             | 
          
          
            | Ecology agcy. | 
             | 
             | 
          
          
            | Its site has an Air Science page | 
             | 
             | 
          
          
            | MPG agency | 
             | 
             | 
          
          
            | Pollution-investigating org. | 
             | 
             | 
          
          
            | Fed. smog watchdog | 
             | 
             | 
          
          
            | Mileage rating org. | 
             | 
             | 
          
          
            | Pollution standards org. | 
             | 
             | 
          
          
            | UV Index monitor | 
             | 
             | 
          
          
            | Clean Air Act enforcer | 
             | 
             | 
          
          
            | Air-quality monitor: Abbr. | 
             | 
             | 
          
          
            | Pollution watchdog: Abbr. | 
             | 
             | 
          
          
            | Fed. air monitor | 
             | 
             | 
          
          
            | Abbr. on a car sticker | 
             | 
             | 
          
          
            | Agcy. concerned with MPG | 
             | 
             | 
          
          
            | Agency that banned DDT | 
             | 
             | 
          
          
            | Air quality agcy. | 
             | 
             | 
          
          
            | Air-quality agency | 
             | 
             | 
          
          
            | Fed. conservation org. | 
             | 
             | 
          
          
            | Federal ecology agency | 
             | 
             | 
          
          
            | Spill-handling org. | 
             | 
             | 
          
          
            | DDT-banning org. | 
             | 
             | 
          
          
            | Govt. clean air watchdog | 
             | 
             | 
          
          
            | Trash trackers (abbr.) | 
             | 
             | 
          
          
            | Water watchdog, briefly | 
             | 
             | 
          
          
            | MPG org. | 
             | 
             | 
          
          
            | Org. with an Office of Water | 
             | 
             | 
          
          
            | Spill checker, briefly? | 
             | 
             | 
          
          
            | Agcy. involved with cleanup | 
             | 
             | 
          
          
            | Oil spill-monitoring org. | 
             | 
             | 
          
          
            | MPG determiner | 
             | 
             | 
          
          
            | Spill-handling org. | 
             | 
             | 
          
          
            | Green org. | 
             | 
             | 
          
          
            | Green gp. | 
             | 
             | 
          
          
            | Clean Air Act org. | 
             | 
             | 
          
          
            | Govt. antipollution org. | 
             | 
             | 
          
          
            | MPG determiner | 
             | 
             | 
          
          
            | Green gp. | 
             | 
             | 
          
          
            | Clean Air Act org. | 
             | 
             | 
          
          
            | Org. with a monthly "Go Green!" newsletter | 
             | 
             | 
          
          
            | Org. with a monthly "Go Green!" newsletter | 
             | 
             | 
          
          
            | Org. concerned with climate change | 
             | 
             | 
          
          
            | Energy Star program creator | 
             | 
             | 
          
          
            | Fed. pollution watchdog | 
             | 
             | 
          
          
            | Ecology-oriented govt. group | 
             | 
             | 
          
          
            | Pollution watchdog org. | 
             | 
             | 
          
          
            | Org. with lead concerns | 
             | 
             | 
          
          
            | Org. whose seal has a flower | 
             | 
             | 
          
          
            | Org. trying to clear the air? | 
             | 
             | 
          
          
            | It's got its standards: Abbr. | 
             | 
             | 
          
          
            | Federal org. issuing standards | 
             | 
             | 
          
          
            | Eco-friendly org. | 
             | 
             | 
          
          
            | Clean air org. | 
             | 
             | 
          
          
            | Antagonistic org. in "The Simpsons Movie" | 
             | 
             | 
          
          
            | Oil spill-monitoring org. | 
             | 
             | 
          
          
            | "Go Green!" gp. | 
             | 
             | 
          
          
            | Anti-pollution org. | 
             | 
             | 
          
          
            | Agcy. that polices polluters | 
             | 
             | 
          
          
            | Energy Star org. | 
             | 
             | 
          
          
            | Energy Star program org. | 
             | 
             | 
          
          
            | Air pollution watchdog | 
             | 
             | 
          
          
            | Govt. antipollution org. | 
             | 
             | 
          
          
            | Org. concerned with PCBs | 
             | 
             | 
          
          
            | AQI calculator | 
             | 
             | 
          
          
            | Air monitoring org. | 
             | 
             | 
          
          
            | Govt. pollution watchdog | 
             | 
             | 
          
          
            | MPG rating agency | 
             | 
             | 
          
          
            | Org. concerned with air | 
             | 
             | 
          
          
            | Air quality overseer (Abbr.) | 
             | 
             | 
          
          
            | Climate-concerned org. | 
             | 
             | 
          
          
            | Pollution-control gp. | 
             | 
             | 
          
          
            | Smog watchdogs (Abbr.) | 
             | 
             | 
          
          
            | Org. with a WasteWise program | 
             | 
             | 
          
          
            | Fed. pollution monitor | 
             | 
             | 
          
          
            | Emissions watchdog org. | 
             | 
             | 
          
          
            | 1972 DDT banner | 
             | 
             | 
          
          
            | U.S. pollution controller | 
             | 
             | 
          
          
            | UV index monitor, for short | 
             | 
             | 
          
          
            | UV index monitor | 
             | 
             | 
          
          
            | M.P.G. watcher | 
             | 
             | 
          
          
            | Emissions watchdog, for short | 
             | 
             | 
          
          
            | Emission-regulating org. | 
             | 
             | 
          
          
            | Cleanup org. | 
             | 
             | 
          
          
            | Air quality gp. | 
             | 
             | 
          
          
            | Clear Air Act org. | 
             | 
             | 
          
          
            | Clean Air Act org. | 
             | 
             | 
          
          
            | 1972 DDT banner | 
             | 
             | 
          
          
            | DDT banner | 
             | 
             | 
          
          
            | Emissions watchdog org. | 
             | 
             | 
          
          
            | Org. with a WasteWise program | 
             | 
             | 
          
          
            | Org. concerned with pollution | 
             | 
             | 
          
          
            | Org. established by Nixon | 
             | 
             | 
          
          
            | Superfund org. | 
             | 
             | 
          
          
            | Org. created under Nixon | 
             | 
             | 
          
          
            | Fed. air quality monitor | 
             | 
             | 
          
          
            | Org. concerned with PCBs | 
             | 
             | 
          
          
            | MPG rating agency | 
             | 
             | 
          
          
            | Govt. smog watchdog | 
             | 
             | 
          
          
            | Org. concerned with PCBs | 
             | 
             | 
          
          
            | energystar.gov org. | 
             | 
             | 
          
          
            | Ecol. watchdog | 
             | 
             | 
          
          
            | Org. concerned with the BP oil spill | 
             | 
             | 
          
          
            | Air-monitoring agcy. | 
             | 
             | 
          
          
            | Cap and trade org. | 
             | 
             | 
          
          
            | Spill-fighting grp. | 
             | 
             | 
          
          
            | Eco-friendly fed gp. | 
             | 
             | 
          
          
            | Superfund org. | 
             | 
             | 
          
          
            | Pollution-fighting gp. | 
             | 
             | 
          
          
            | Emissions-standards grp. | 
             | 
             | 
          
          
            | Govt. watchdog | 
             | 
             | 
          
          
            | Ecology-minded agcy. | 
             | 
             | 
          
          
            | Org. that directed some of BP's oil cleanup efforts | 
             | 
             | 
          
          
            | Org. that cleans up spills | 
             | 
             | 
          
          
            | Ecological agcy. | 
             | 
             | 
          
          
            | energystar.gov gp. | 
             | 
             | 
          
          
            | Pollution-policing org. | 
             | 
             | 
          
          
            | MPG rating agency | 
             | 
             | 
          
          
            | AQI calculator | 
             | 
             | 
          
          
            | Ecol. watchdog | 
             | 
             | 
          
          
            | Org. with a Pollution Prevention Grant | 
             | 
             | 
          
          
            | Org. doing atmospheric tests | 
             | 
             | 
          
          
            | DDT-banning org. | 
             | 
             | 
          
          
            | Abbr. in many car ads | 
             | 
             | 
          
          
            | Govt. smog watchdog | 
             | 
             | 
          
          
            | Federal org. with a "personal greenhouse gas emissions calculator" | 
             | 
             | 
          
          
            | Air quality monitor (abbr.) | 
             | 
             | 
          
          
            | Org. that domes Springfield in "The Simpsons Movie" | 
             | 
             | 
          
          
            | Org. with a WaterSense program | 
             | 
             | 
          
          
            | Eco-friendly fed gp. | 
             | 
             | 
          
          
            | AQI calculator | 
             | 
             | 
          
          
            | Federal PCB banisher | 
             | 
             | 
          
          
            | Superfund administrator, briefly | 
             | 
             | 
          
          
            | Earth-friendly gp. | 
             | 
             | 
          
          
            | Org. concerned with CFC's | 
             | 
             | 
          
          
            | Org. concerned with car emissions | 
             | 
             | 
          
          
            | Pollution-fighting govt. branch | 
             | 
             | 
          
          
            | 1972 DDT banner | 
             | 
             | 
          
          
            | Clean Air Act org. | 
             | 
             | 
          
          
            | Smog-monitoring gp. | 
             | 
             | 
          
          
            | Air monitor, for short | 
             | 
             | 
          
          
            | Pollution stds. setter | 
             | 
             | 
          
          
            | It provides mileage ratings (abbr.) | 
             | 
             | 
          
          
            | Superfund enforcer: Abbr. | 
             | 
             | 
          
          
            | Org. with the blog Greenversations | 
             | 
             | 
          
          
            | MPG rating group | 
             | 
             | 
          
          
            | AQI user | 
             | 
             | 
          
          
            | "Go Green!" newsletter org. | 
             | 
             | 
          
          
            | Smog fighters, for short | 
             | 
             | 
          
          
            | Earth Day org. | 
             | 
             | 
          
          
            | Air-testing org. | 
             | 
             | 
          
          
            | Pollution watchdog grp. | 
             | 
             | 
          
          
            | Green org. | 
             | 
             | 
          
          
            | Superfund enforcer: Abbr. | 
             | 
             | 
          
          
            | Org. with the blog Greenversations | 
             | 
             | 
          
          
            | MPG rating group | 
             | 
             | 
          
          
            | Govt. emissions watchdog | 
             | 
             | 
          
          
            | AQI user | 
             | 
             | 
          
          
            | MPG rater | 
             | 
             | 
          
          
            | They want to clear the air, briefly | 
             | 
             | 
          
          
            | Toxic-level monitor, briefly | 
             | 
             | 
          
          
            | Waste watchers: Abbr. | 
             | 
             | 
          
          
            | Org. monitoring industrial wastes | 
             | 
             | 
          
          
            | Org. monitoring 38-Down quality | 
             | 
             | 
          
          
            | Org. established by Nixon | 
             | 
             | 
          
          
            | Emissions org. | 
             | 
             | 
          
          
            | Dump cleanup grp. | 
             | 
             | 
          
          
            | DDT banner | 
             | 
             | 
          
          
            | Air quality org. | 
             | 
             | 
          
          
            | Air quality grp. | 
             | 
             | 
          
          
            | Clean Water Act org. | 
             | 
             | 
          
          
            | Pollutant watchdog gp. | 
             | 
             | 
          
          
            | Smog watchdog (abbr.) | 
             | 
             | 
          
          
            | Emissions watchdog (abbr.) | 
             | 
             | 
          
          
            | Eco-friendly org. | 
             | 
             | 
          
          
            | Air quality org. | 
             | 
             | 
          
          
            | Org. that promotes motor oil recycling with the slogan "You dump it, you drink it" | 
             | 
             | 
          
          
            | Abbr. in car ads | 
             | 
             | 
          
          
            | Green watchdog grp. | 
             | 
             | 
          
          
            | Org. linked to from the homepage of fueleconomy.gov | 
             | 
             | 
          
          
            | Banner of 10-Down | 
             | 
             | 
          
          
            | Banner of DDT | 
             | 
             | 
          
          
            | MPG determiner | 
             | 
             | 
          
          
            | Gp. concerned about emissions | 
             | 
             | 
          
          
            | Govt. agency since 1970 | 
             | 
             | 
          
          
            | Fuel economy org. | 
             | 
             | 
          
          
            | Energy Star program org. | 
             | 
             | 
          
          
            | Pollutant watchdog gp. | 
             | 
             | 
          
          
            | Earth-friendly org. | 
             | 
             | 
          
          
            | Walter Peck's org. in "Ghostbusters" | 
             | 
             | 
          
          
            | DDT-banning org. | 
             | 
             | 
          
          
            | Superfund org. | 
             | 
             | 
          
          
            | Org. created under the Nixon administration | 
             | 
             | 
          
          
            | Pollution-policing org. | 
             | 
             | 
          
          
            | Green agcy. | 
             | 
             | 
          
          
            | Air quality org. | 
             | 
             | 
          
          
            | Coastline protector | 
             | 
             | 
          
          
            | Agcy. that polices polluters | 
             | 
             | 
          
          
            | Eco-friendly org. | 
             | 
             | 
          
          
            | MPG org. | 
             | 
             | 
          
          
            | Clean Air Act org. | 
             | 
             | 
          
          
            | Waste watchers gp. | 
             | 
             | 
          
          
            | U.S. emissions controller | 
             | 
             | 
          
          
            | Org. with an acid rain hotline | 
             | 
             | 
          
          
            | Gp. that rates | 
             | 
             | 
          
          
            | Green-minded org. | 
             | 
             | 
          
          
            | Omega-3 fatty acid | 
             | 
             | 
          
          
            | Pollution monitor | 
             | 
             | 
          
          
            | Gp. interested in clearing the air | 
             | 
             | 
          
          
            | Water watchdog | 
             | 
             | 
          
          
            | Org. with an Office of Solid Waste and Emergency Response | 
             | 
             | 
          
          
            | Ecology org. | 
             | 
             | 
          
          
            | Ecol. watchdogs | 
             | 
             | 
          
          
            | Clean Air Act org. | 
             | 
             | 
          
          
            | Eco-friendly org. | 
             | 
             | 
          
          
            | Org. against pollution | 
             | 
             | 
          
          
            | Pesticide-banning org. | 
             | 
             | 
          
          
            | Clean-air org. | 
             | 
             | 
          
          
            | Anti-acid rain gr. | 
             | 
             | 
          
          
            | Waste watchers gp. | 
             | 
             | 
          
          
            | Org. concerned with 10-Across | 
             | 
             | 
          
          
            | Govt. air-quality watchdog | 
             | 
             | 
          
          
            | Conservation org. | 
             | 
             | 
          
          
            | Org. that banned DDT | 
             | 
             | 
          
          
            | DDT banner | 
             | 
             | 
          
          
            | Org. with an acid rain hotline | 
             | 
             | 
          
          
            | Org. that banned DDT | 
             | 
             | 
          
          
            | Ecol. watchdog | 
             | 
             | 
          
          
            | Ecol. monitor | 
             | 
             | 
          
          
            | MPG org. | 
             | 
             | 
          
          
            | Clean School Bus USA org. | 
             | 
             | 
          
          
            | Org. with an Office of Water | 
             | 
             | 
          
          
            | Waste watchers gp. | 
             | 
             | 
          
          
            | Org. with an Acid Rain Program | 
             | 
             | 
          
          
            | Fed. air quality monitor | 
             | 
             | 
          
          
            | Govt. org. with a flower in its logo | 
             | 
             | 
          
          
            | Mileage rating org. | 
             | 
             | 
          
          
            | Smog-watching grp. | 
             | 
             | 
          
          
            | Waste watchers' org. | 
             | 
             | 
          
          
            | Org. concerned with 10-Across | 
             | 
             | 
          
          
            | Russ Cargill's org. in "The Simpsons Movie" | 
             | 
             | 
          
          
            | Fed. cleaner-upper | 
             | 
             | 
          
          
            | Eco-friendly org. | 
             | 
             | 
          
          
            | Govt. air-quality watchdog | 
             | 
             | 
          
          
            | National Exposure Research Lab org. | 
             | 
             | 
          
          
            | Smog-monitoring org. | 
             | 
             | 
          
          
            | Fed. smog watchdog | 
             | 
             | 
          
          
            | Eco-friendly feds | 
             | 
             | 
          
          
            | DDT banner | 
             | 
             | 
          
          
            | DDT-banning entity | 
             | 
             | 
          
          
            | Conservation org. | 
             | 
             | 
          
          
            | MPG rating agcy. | 
             | 
             | 
          
          
            | Ecol. watchdog | 
             | 
             | 
          
          
            | DC water watchdog | 
             | 
             | 
          
          
            | Agcy. with a flower logo | 
             | 
             | 
          
          
            | Agcy. established in 1970 | 
             | 
             | 
          
          
            | Air-testing org. | 
             | 
             | 
          
          
            | Org. whose Web site features a "Your Air Quality" map | 
             | 
             | 
          
          
            | Air-monitoring org. | 
             | 
             | 
          
          
            | Govt. air monitor | 
             | 
             | 
          
          
            | Federal agcy. since 1970 | 
             | 
             | 
          
          
            | Watchdog feds | 
             | 
             | 
          
          
            | UV index monitor | 
             | 
             | 
          
          
            | Gov. air-monitor | 
             | 
             | 
          
          
            | Clean-air org. | 
             | 
             | 
          
          
            | Emissions regulator: Abbr. | 
             | 
             | 
          
          
            | Org. whose Web site features a "Your Air Quality" map | 
             | 
             | 
          
          
            | Pollution-rating gp. | 
             | 
             | 
          
          
            | Gas mileage grp. | 
             | 
             | 
          
          
            | MPG determiner | 
             | 
             | 
          
          
            | Org. concerned with safe drinking water | 
             | 
             | 
          
          
            | Grp. concerned with m.p.g. | 
             | 
             | 
          
          
            | Fed. watchdog hidden in 20-, 37-, 44- and 60-Across | 
             | 
             | 
          
          
            | MPG monitor | 
             | 
             | 
          
          
            | Org. formed by Nixon | 
             | 
             | 
          
          
            | Pollution-fighting org. | 
             | 
             | 
          
          
            | Smog control grp. | 
             | 
             | 
          
          
            | Pollution-rating gp. | 
             | 
             | 
          
          
            | Fed. watchdog | 
             | 
             | 
          
          
            | Antipollution gr. | 
             | 
             | 
          
          
            | Ecology org. | 
             | 
             | 
          
          
            | MPG rater | 
             | 
             | 
          
          
            | Pollution watchdog gr. | 
             | 
             | 
          
          
            | Pollution watchdog: Abbr. | 
             | 
             | 
          
          
            | Radiation-monitoring gr. | 
             | 
             | 
          
          
            | Fed. cleanup group | 
             | 
             | 
          
          
            | Green Power Partnership org. | 
             | 
             | 
          
          
            | Grp. that introduced "Energy Star" labeling | 
             | 
             | 
          
          
            | Fed. pollution watchdog | 
             | 
             | 
          
          
            | Green org. | 
             | 
             | 
          
          
            | Clean Air Act org. | 
             | 
             | 
          
          
            | Superfund administrator | 
             | 
             | 
          
          
            | Anti-pollution org. | 
             | 
             | 
          
          
            | Pollution control org. | 
             | 
             | 
          
          
            | Govt. watchdog | 
             | 
             | 
          
          
            | MPG raters | 
             | 
             | 
          
          
            | Air quality org. | 
             | 
             | 
          
          
            | Air watchers' gp. | 
             | 
             | 
          
          
            | Fed. watchdog hidden in 20-, 37-, 44- and 60-Across | 
             | 
             | 
          
          
            | MPG monitor | 
             | 
             | 
          
          
            | Air quality org. | 
             | 
             | 
          
          
            | Air watchers' gp. | 
             | 
             | 
          
          
            | Clean Air Act org. | 
             | 
             | 
          
          
            | It's concerned with Hg emissions | 
             | 
             | 
          
          
            | Org. concerned with climate change | 
             | 
             | 
          
          
            | Org. of waste watchers | 
             | 
             | 
          
          
            | Org. that registers pesticides | 
             | 
             | 
          
          
            | Pesticide-regulating org. | 
             | 
             | 
          
          
            | Ecology org. | 
             | 
             | 
          
          
            | Fed. watchdog | 
             | 
             | 
          
          
            | Superfund org. | 
             | 
             | 
          
          
            | Air-testing gp. | 
             | 
             | 
          
          
            | Org. whose seal is a flower | 
             | 
             | 
          
          
            | Fed. watchdog created by Nixon | 
             | 
             | 
          
          
            | Clean air org. | 
             | 
             | 
          
          
            | Air-testing gp. | 
             | 
             | 
          
          
            | Antipollution org. | 
             | 
             | 
          
          
            | Emissions watchdog: Abbr. | 
             | 
             | 
          
          
            | Mileage rating grp. | 
             | 
             | 
          
          
            | Superfund administrator: Abbr. | 
             | 
             | 
          
          
            | Test-conducting org. | 
             | 
             | 
          
          
            | Grp. setting standards | 
             | 
             | 
          
          
            | Gp. concerned with greenhouse gases | 
             | 
             | 
          
          
            | Govt. air-quality watchdog | 
             | 
             | 
          
          
            | William Ruckelshaus was its first head: Abbr. | 
             | 
             | 
          
          
            | Waste watchers: Abbr. | 
             | 
             | 
          
          
            | Pollution-fighting org. | 
             | 
             | 
          
          
            | Org. with an Assistant Administrator for Air and Radiation | 
             | 
             | 
          
          
            | Org. that's affiliated with fueleconomy.gov | 
             | 
             | 
          
          
            | Org. concerned with hazardous waste | 
             | 
             | 
          
          
            | MPG-determining group | 
             | 
             | 
          
          
            | Leavitt left it in 2005: Abbr. | 
             | 
             | 
          
          
            | Government org. since 1970 | 
             | 
             | 
          
          
            | Superfund org. | 
             | 
             | 
          
          
            | Pollution-policing org. | 
             | 
             | 
          
          
            | Emissions detecting agcy. | 
             | 
             | 
          
          
            | Drinking-water tester (Abbr.) | 
             | 
             | 
          
          
            | It banned DDT | 
             | 
             | 
          
          
            | Pollution agcy. | 
             | 
             | 
          
          
            | MPG raters | 
             | 
             | 
          
          
            | Pollution-monitoring org. | 
             | 
             | 
          
          
            | Pollution monitoring org. | 
             | 
             | 
          
          
            | Pollution-control gp. | 
             | 
             | 
          
          
            | Clean air gr. | 
             | 
             | 
          
          
            | Agcy. twice headed by Ruckelshaus | 
             | 
             | 
          
          
            | Water tester: Abbr. | 
             | 
             | 
          
          
            | MPG estimator | 
             | 
             | 
          
          
            | Grp. concerned with oil spills | 
             | 
             | 
          
          
            | Waste-watching org. | 
             | 
             | 
          
          
            | MPG raters | 
             | 
             | 
          
          
            | MPG raters | 
             | 
             | 
          
          
            | Fed. pollution control gr. | 
             | 
             | 
          
          
            | Ecology agcy. | 
             | 
             | 
          
          
            | Govt. air checker | 
             | 
             | 
          
          
            | Water tester: abbr. | 
             | 
             | 
          
          
            | Emissions tester, briefly | 
             | 
             | 
          
          
            | Emissions detecting agcy. | 
             | 
             | 
          
          
            | Pollution control gp. | 
             | 
             | 
          
          
            | Org. that oversees the Superfund | 
             | 
             | 
          
          
            | Anti-smog org. | 
             | 
             | 
          
          
            | Smog watchdog gp. | 
             | 
             | 
          
          
            | Air pollution watchdog | 
             | 
             | 
          
          
            | Air-quality org. | 
             | 
             | 
          
          
            | Pollution monitor (abbr.) | 
             | 
             | 
          
          
            | Smog watchdogs' letters | 
             | 
             | 
          
          
            | Gp. concerned with energy conservation | 
             | 
             | 
          
          
            | Gp. concerned with greenhouse gases | 
             | 
             | 
          
          
            | Gp. concerned with oil spills | 
             | 
             | 
          
          
            | MPG rater | 
             | 
             | 
          
          
            | SO2 monitoring org. | 
             | 
             | 
          
          
            | Clean air grp. | 
             | 
             | 
          
          
            | Pollution foe | 
             | 
             | 
          
          
            | Green org. | 
             | 
             | 
          
          
            | MPG calculators | 
             | 
             | 
          
          
            | Mike Leavitt is its head: Abbr. | 
             | 
             | 
          
          
            | Org. concerned with PCBs | 
             | 
             | 
          
          
            | Org. concerned with global warming | 
             | 
             | 
          
          
            | Smog watchdog: Abbr. | 
             | 
             | 
          
          
            | U.S. emissions controller | 
             | 
             | 
          
          
            | UV index tracker | 
             | 
             | 
          
          
            | Clean air grp. | 
             | 
             | 
          
          
            | Clean-air org. | 
             | 
             | 
          
          
            | Ecol. watchdog | 
             | 
             | 
          
          
            | Factory-emissions testing grp. | 
             | 
             | 
          
          
            | Fed. watchdog | 
             | 
             | 
          
          
            | Org. concerned with PCB's | 
             | 
             | 
          
          
            | Org. that does studies | 
             | 
             | 
          
          
            | Rater of m.p.g. | 
             | 
             | 
          
          
            | Antipollution org. | 
             | 
             | 
          
          
            | Clean-air org. | 
             | 
             | 
          
          
            | DDT-banning org. | 
             | 
             | 
          
          
            | Ecol. watchdog | 
             | 
             | 
          
          
            | Litter-loathing org. | 
             | 
             | 
          
          
            | Trash-tracking org. | 
             | 
             | 
          
          
            | Clean air gp. | 
             | 
             | 
          
          
            | Clean-air gp. | 
             | 
             | 
          
          
            | Ecol. watchdog | 
             | 
             | 
          
          
            | Fed. regulator since 1970 | 
             | 
             | 
          
          
            | U.S. air monitor | 
             | 
             | 
          
          
            | Clean Air Act enforcers (abbr.) | 
             | 
             | 
          
          
            | D.C. watchdog | 
             | 
             | 
          
          
            | Fed. regulator since 1970 | 
             | 
             | 
          
          
            | Fed. watchdog | 
             | 
             | 
          
          
            | Noise pollution watchdog gp. | 
             | 
             | 
          
          
            | Pollution-fighting org. | 
             | 
             | 
          
          
            | U.S. emissions controller | 
             | 
             | 
          
          
            | Anti-smog dept. | 
             | 
             | 
          
          
            | Eco-friendly org. | 
             | 
             | 
          
          
            | MPG monitor | 
             | 
             | 
          
          
            | SO2 monitoring org. | 
             | 
             | 
          
          
            | Gp. concerned with oil spills | 
             | 
             | 
          
          
            | Gp. concerned with greenhouse gases | 
             | 
             | 
          
          
            | Grp. involved in a cleanup | 
             | 
             | 
          
          
            | Gov't air checker | 
             | 
             | 
          
          
            | Gp. concerned with energy conservation | 
             | 
             | 
          
          
            | Org. that conducts many studies | 
             | 
             | 
          
          
            | Smog watchdog gp. | 
             | 
             | 
          
          
            | MPG rater | 
             | 
             | 
          
          
            | Air-quality org. | 
             | 
             | 
          
          
            | Fed. emissions watchdog | 
             | 
             | 
          
          
            | Fed. air-quality watchdog | 
             | 
             | 
          
          
            | Christine Todd Whitman's org. | 
             | 
             | 
          
          
            | Fed. pollution watchdog | 
             | 
             | 
          
          
            | Government agcy. est. in 1970 | 
             | 
             | 
          
          
            | Org. that controls emissions | 
             | 
             | 
          
          
            | U.S. pollution controller | 
             | 
             | 
          
          
            | Fed. pollution watchdog | 
             | 
             | 
          
          
            | Cleanup crew | 
             | 
             | 
          
          
            | Ecology org. | 
             | 
             | 
          
          
            | Ecol. watchdog | 
             | 
             | 
          
          
            | mpg rater | 
             | 
             | 
          
          
            | Clean air grp. | 
             | 
             | 
          
          
            | Water-testing org. | 
             | 
             | 
          
          
            | Air-quality org. | 
             | 
             | 
          
          
            | Christine Todd Whitman's org. | 
             | 
             | 
          
          
            | Fed. air-quality watchdog | 
             | 
             | 
          
          
            | Fed. emissions watchdog | 
             | 
             | 
          
          
            | Water-testing org. | 
             | 
             | 
          
          
            | Smog monitor | 
             | 
             | 
          
          
            | Whitman's former org. | 
             | 
             | 
          
          
            | Fed. pollution monitor | 
             | 
             | 
          
          
            | Clean air org. | 
             | 
             | 
          
          
            | DDT banner | 
             | 
             | 
          
          
            | Fed. watchdog | 
             | 
             | 
          
          
            | Org. concerned with clean air | 
             | 
             | 
          
          
            | Org. for clean air and water | 
             | 
             | 
          
          
            | They want to clear the air | 
             | 
             | 
          
          
            | U.S. govt.'s pollution watchdog | 
             | 
             | 
          
          
            | UV index monitor | 
             | 
             | 
          
          
            | Pesticide-monitoring grp. | 
             | 
             | 
          
          
            | Christie Whitman was its administrator | 
             | 
             | 
          
          
            | MPG rater | 
             | 
             | 
          
          
            | MPG rater | 
             | 
             | 
          
          
            | Air-quality monitoring org. | 
             | 
             | 
          
          
            | Org. that banned DDT | 
             | 
             | 
          
          
            | Anti-smog org. | 
             | 
             | 
          
          
            | Govt. watchdog | 
             | 
             | 
          
          
            | Trash trackers: Abbr. | 
             | 
             | 
          
          
            | Pollution watchdog: Abbr. | 
             | 
             | 
          
          
            | Pollution control org. | 
             | 
             | 
          
          
            | Org. with a superfund | 
             | 
             | 
          
          
            | Org. launched by Nixon | 
             | 
             | 
          
          
            | Air quality tester, for short | 
             | 
             | 
          
          
            | Clean air org. | 
             | 
             | 
          
          
            | Cabinet-level dept. | 
             | 
             | 
          
          
            | Antipollution grp. | 
             | 
             | 
          
          
            | Watchdog feds | 
             | 
             | 
          
          
            | Gas-mileage grp. | 
             | 
             | 
          
          
            | Emissions-watching org. | 
             | 
             | 
          
          
            | Emission control gp. | 
             | 
             | 
          
          
            | Emissions tester: Abbr. | 
             | 
             | 
          
          
            | Emissions watchdog: Abbr. | 
             | 
             | 
          
          
            | UV index tracker | 
             | 
             | 
          
          
            | Smog-fighting grp. | 
             | 
             | 
          
          
            | Raters of m.p.g. | 
             | 
             | 
          
          
            | Pollution control grp. | 
             | 
             | 
          
          
            | Org. that may be involved in a cleanup | 
             | 
             | 
          
          
            | It rates m.p.g. | 
             | 
             | 
          
          
            | Fed. pollution monitor | 
             | 
             | 
          
          
            | Org. concerned with acid rain | 
             | 
             | 
          
          
            | Org. founded in 1970 | 
             | 
             | 
          
          
            | Assessors of m.p.g. | 
             | 
             | 
          
          
            | Govt. emissions watchdog | 
             | 
             | 
          
          
            | Fed. pollution monitor | 
             | 
             | 
          
          
            | Acid rain org. | 
             | 
             | 
          
          
            | Superfund agcy. | 
             | 
             | 
          
          
            | Mpg publisher | 
             | 
             | 
          
          
            | Clean Air Act enforcer: Abbr. | 
             | 
             | 
          
          
            | Emissions-regulating org. | 
             | 
             | 
          
          
            | Superfund overseer (abbr.) | 
             | 
             | 
          
          
            | Agency estab. in 1970 | 
             | 
             | 
          
          
            | Pollution monitoring org. | 
             | 
             | 
          
          
            | Superfund agcy. | 
             | 
             | 
          
          
            | Whitman's agcy. | 
             | 
             | 
          
          
            | Org. concerned with mpg | 
             | 
             | 
          
          
            | Antipollution org. | 
             | 
             | 
          
          
            | Clean air group: Abbr. | 
             | 
             | 
          
          
            | It banned DDT | 
             | 
             | 
          
          
            | Eco-cop's org. | 
             | 
             | 
          
          
            | Ecol. watchdog | 
             | 
             | 
          
          
            | Smog fighters, for short | 
             | 
             | 
          
          
            | Fed. regulator | 
             | 
             | 
          
          
            | Anti-pollution grp. | 
             | 
             | 
          
          
            | Superfund org. | 
             | 
             | 
          
          
            | Smog-watching org. | 
             | 
             | 
          
          
            | Clean-up org. | 
             | 
             | 
          
          
            | Smog-watching gp. | 
             | 
             | 
          
          
            | Smog watchdog's letters | 
             | 
             | 
          
          
            | Org. created under the Nixon administration | 
             | 
             | 
          
          
            | Org. concerned with water quality | 
             | 
             | 
          
          
            | Gp. in charge of emissions tests | 
             | 
             | 
          
          
            | Govt. watchdog | 
             | 
             | 
          
          
            | Org. protecting air and water | 
             | 
             | 
          
          
            | Bush has picked Christie Todd Whitman to head it | 
             | 
             | 
          
          
            | Whitman's troops | 
             | 
             | 
          
          
            | Whitman runs it | 
             | 
             | 
          
          
            | Superfund administrators | 
             | 
             | 
          
          
            | Smog fighters, for short | 
             | 
             | 
          
          
            | Org. that banned DDT | 
             | 
             | 
          
          
            | Grp. monitoring emissions | 
             | 
             | 
          
          
            | Eco-friendly feds | 
             | 
             | 
          
          
            | Air monitor: Abbr. | 
             | 
             | 
          
          
            | Ecological org. | 
             | 
             | 
          
          
            | Org. monitoring auto emissions | 
             | 
             | 
          
          
            | Its first administrator was William D. Ruckelshaus | 
             | 
             | 
          
          
            | Whitman's grp. | 
             | 
             | 
          
          
            | MPG raters | 
             | 
             | 
          
          
            | Gas-mileage grp. | 
             | 
             | 
          
          
            | Ecology org. | 
             | 
             | 
          
          
            | Anti-smog org. | 
             | 
             | 
          
          
            | Clean Air Act administrative gp. | 
             | 
             | 
          
          
            | Christie Todd Whitman org. | 
             | 
             | 
          
          
            | Gov. agency | 
             | 
             | 
          
          
            | Emissions watchdog | 
             | 
             | 
          
          
            | Clean-air org. | 
             | 
             | 
          
          
            | Waste watchdog: abbr. | 
             | 
             | 
          
          
            | Emissions-watching org. | 
             | 
             | 
          
          
            | In D.C., they're at 1200 Pennsylvania Ave., N.W. | 
             | 
             | 
          
          
            | Regulatory agcy. | 
             | 
             | 
          
          
            | Govt. agency since 1970 | 
             | 
             | 
          
          
            | Smog watchdogs (abbr.) | 
             | 
             | 
          
          
            | Agcy. est. in 1970 | 
             | 
             | 
          
          
            | Fed. emissions watchdog | 
             | 
             | 
          
          
            | Clean air agcy. | 
             | 
             | 
          
          
            | Ecol. monitors | 
             | 
             | 
          
          
            | It's phasing out MTBE as a gas additive | 
             | 
             | 
          
          
            | Org. that sued Koch Industries for $30M for oil spills | 
             | 
             | 
          
          
            | Its most recent fuel economy rankings are topped by the Insight, made by 47-Across | 
             | 
             | 
          
          
            | Ruckelshaus headed it twice | 
             | 
             | 
          
          
            | Antipollution org. | 
             | 
             | 
          
          
            | Emissions-watching org. | 
             | 
             | 
          
          
            | They've gotten  "no good explanation" for soaring  47-Down prices in the Midwest | 
             | 
             | 
          
          
            | Govt. watchdog | 
             | 
             | 
          
          
            | Group wanting less arsenic in H2O | 
             | 
             | 
          
          
            | Air quality monitoring org. | 
             | 
             | 
          
          
            | Car emission stds. regulator | 
             | 
             | 
          
          
            | Air-quality agency: Abbr. | 
             | 
             | 
          
          
            | Gp. that watches for PCBs | 
             | 
             | 
          
          
            | Emissions-watching org. | 
             | 
             | 
          
          
            | Gov't agency banning pesticide chlorpyrifos | 
             | 
             | 
          
          
            | Air tester: Abbr. | 
             | 
             | 
          
          
            | Smog-regulating grp. | 
             | 
             | 
          
          
            | Standards issuer, briefly | 
             | 
             | 
          
          
            | MPG calculators | 
             | 
             | 
          
          
            | Ecology org. | 
             | 
             | 
          
          
            | Grp. with standards | 
             | 
             | 
          
          
            | Ecosystem monitors | 
             | 
             | 
          
          
            | Emissions control grp. | 
             | 
             | 
          
          
            | M.P.G. determiners | 
             | 
             | 
          
          
            | Kind of rating | 
             | 
             | 
          
          
            | Mileage testing grp. | 
             | 
             | 
          
          
            | Air grp. | 
             | 
             | 
          
          
            | Pollution police (abbr.) | 
             | 
             | 
          
          
            | Org. concerned with emissions | 
             | 
             | 
          
          
            | Fed. watchdog | 
             | 
             | 
          
          
            | Fed. pollution group | 
             | 
             | 
          
          
            | Conservation agcy. | 
             | 
             | 
          
          
            | Smog-minding org. | 
             | 
             | 
          
          
            | Browner's org. | 
             | 
             | 
          
          
            | Fed. pollution police | 
             | 
             | 
          
          
            | Pollution-control agcy. | 
             | 
             | 
          
          
            | Smog-monitoring org. | 
             | 
             | 
          
          
            | MPH-rating org. | 
             | 
             | 
          
          
            | Emissions detecting agcy. | 
             | 
             | 
          
          
            | Reg. agency | 
             | 
             | 
          
          
            | Carol Browner's org. | 
             | 
             | 
          
          
            | Mileage-rating agcy. | 
             | 
             | 
          
          
            | Fed. group concerned with pollution | 
             | 
             | 
          
          
            | Clean air gp. | 
             | 
             | 
          
          
            | Org. concerned with emissions | 
             | 
             | 
          
          
            | It tests the water (abbr.) | 
             | 
             | 
          
          
            | Govt. watchdog group | 
             | 
             | 
          
          
            | Emissions monitoring org. | 
             | 
             | 
          
          
            | Clean-air org. | 
             | 
             | 
          
          
            | Pollution stds. setter | 
             | 
             | 
          
          
            | Smog-battling org. | 
             | 
             | 
          
          
            | Pollution watchdog org. | 
             | 
             | 
          
          
            | Antipollution grp. | 
             | 
             | 
          
          
            | Smog watchdogs, for short | 
             | 
             | 
          
          
            | Deet-banning gp. | 
             | 
             | 
          
          
            | Nature nurture grp. | 
             | 
             | 
          
          
            | Green keepers? (abbr.) | 
             | 
             | 
          
          
            | Grp. concerned with pollution | 
             | 
             | 
          
          
            | Environ. agcy. | 
             | 
             | 
          
          
            | Radon-monitoring grp. | 
             | 
             | 
          
          
            | Govt. watchdog | 
             | 
             | 
          
          
            | Grp. that rates | 
             | 
             | 
          
          
            | Air quality tester: Abbr. | 
             | 
             | 
          
          
            | Air quality gp. | 
             | 
             | 
          
          
            | Org. founded in 1970 | 
             | 
             | 
          
          
            | Govt. watchdog group | 
             | 
             | 
          
          
            | Grp. overseeing toxic cleanups | 
             | 
             | 
          
          
            | Emissions tester: Abbr. | 
             | 
             | 
          
          
            | DDT-banning gp. | 
             | 
             | 
          
          
            | Fed. pollution-control group | 
             | 
             | 
          
          
            | Smog-monitoring org. | 
             | 
             | 
          
          
            | Environmental org. | 
             | 
             | 
          
          
            | D.C. group | 
             | 
             | 
          
          
            | Auto industry regulator: Abbr. | 
             | 
             | 
          
          
            | Fed. air quality org. | 
             | 
             | 
          
          
            | Auto indus. regulator | 
             | 
             | 
          
          
            | Watchdog agency's intitals | 
             | 
             | 
          
          
            | Govt. watchdog grp. | 
             | 
             | 
          
          
            | Car m.p.g. raters | 
             | 
             | 
          
          
            | Ecol. police | 
             | 
             | 
          
          
            | Testing org. | 
             | 
             | 
          
          
            | Polluter-busting org. | 
             | 
             | 
          
          
            | Car-emissions agcy. | 
             | 
             | 
          
          
            | Ecol. org. | 
             | 
             | 
          
          
            | Fuel efficiency rater: Abbr. | 
             | 
             | 
          
          
            | Govt. agency | 
             | 
             | 
          
          
            | They got the lead out: abbr. | 
             | 
             | 
          
          
            | Antipollution grp. | 
             | 
             | 
          
          
            | Auto-testing grp. | 
             | 
             | 
          
          
            | Clean air agcy. | 
             | 
             | 
          
          
            | Wetlands watchdog | 
             | 
             | 
          
          
            | Agcy. that monitors smoking hazards | 
             | 
             | 
          
          
            | Antipollution grp | 
             | 
             | 
          
          
            | U.S. watchdog agcy. | 
             | 
             | 
          
          
            | Clean-air agcy. | 
             | 
             | 
          
          
            | Environmental org. | 
             | 
             | 
          
          
            | Agcy. dealing with smog | 
             | 
             | 
          
          
            | Browner's org. | 
             | 
             | 
          
          
            | Carol Browner's org. | 
             | 
             | 
          
          
            | Clean water agcy. | 
             | 
             | 
          
          
            | Fed. agency since 1970 | 
             | 
             | 
          
          
            | Fed. ecology group | 
             | 
             | 
          
          
            | Org. fighting grime | 
             | 
             | 
          
          
            | Govt. ecology group | 
             | 
             | 
          
          
            | Agency concerned with ecol. | 
             | 
             | 
          
          
            | Agcy. watching over ecology | 
             | 
             | 
          
          
            | Govt. agency | 
             | 
             | 
          
          
            | Environmental watchdog agcy. | 
             | 
             | 
          
          
            | Waste watcher's org. | 
             | 
             | 
          
          
            | Watchdog org. | 
             | 
             | 
          
          
            | Ecology gp. | 
             | 
             | 
          
          
            | Ecol. agency | 
             | 
             | 
          
          
            | Org. in a war against grime | 
             | 
             | 
          
          
            | Govt. "cleanup" agency | 
             | 
             | 
          
          
            | Ecological org. | 
             | 
             | 
          
          
            | Watchdog for 89 Across | 
             | 
             | 
          
          
            | M.P.G.-rating org. | 
             | 
             | 
          
          
            | Agcy. involved with cleanup | 
             | 
             | 
          
          
            | Conservation org. | 
             | 
             | 
          
          
            | Clean air and water agcy. | 
             | 
             | 
          
          
            | D.C. group | 
             | 
             | 
          
          
            | Clean-air-and-water agcy. | 
             | 
             | 
          
          
            | D.C. ecology group | 
             | 
             | 
          
          
            | What Ruckelshaus heads | 
             | 
             | 
          
          
            | Rater of m.p.g. | 
             | 
             | 
          
          
            | Org. headed by Ruckelshaus | 
             | 
             | 
          
          
            | Govt. ecology office | 
             | 
             | 
          
          
            | D.C. group once headed by Mrs. Burford | 
             | 
             | 
          
          
            | Org. headed by W. D. Ruckelshaus | 
             | 
             | 
          
          
            | Ruckelshaus's agcy. | 
             | 
             | 
          
          
            | Rater of MPG | 
             | 
             | 
          
          
            | Friends of the snail darter (abbr.) | 
             | 
             | 
          
          
            | Ecology agcy. | 
             | 
             | 
          
          
            | U. S. ecology org. | 
             | 
             | 
          
          
            | "Clean Power Plan" org. | 
             | 
             | 
          
          
            | Rater of MPG | 
             | 
             | 
          
          
            | Lisa Jackson's agcy. | 
             | 
             | 
          
          
            | "Green" org. | 
             | 
             | 
          
          
            | Anti-Keystone XL pipeline org. | 
             | 
             | 
          
          
            | Clean diesel grp. | 
             | 
             | 
          
          
            | Govt. agcy. with a "sustainable practices" section on its website | 
             | 
             | 
          
          
            | Govt. org. currently running a "Rulemaking Matters!" contest | 
             | 
             | 
          
          
            | Org. with a Greenversation blog | 
             | 
             | 
          
          
            | Org. with a Sustainable Practices section on its website | 
             | 
             | 
          
          
            | Pay-As-You-Throw org. | 
             | 
             | 
          
          
            | Pollution-battling org. | 
             | 
             |