| Clue | Source | Date |
|---|---|---|
| Ambitious sustainability goal | Universal | 09 Aug 2025 |
| Clean and green | Newsday | 17 May 2025 |
| Ultimate eco-conscious goal (4,5) | ||
| Eco-conscious goal | Newsday | 14 Dec 2024 |
| Leaving nothing unused | ||
| Goal for hard-core composters | Universal | 25 Mar 2023 |
| Garbage disposal goal | The Washington Post | 24 Oct 2020 |
| Garbage disposal goal | LA Times Daily | 24 Oct 2020 |
| Green goal | USA Today | 26 Aug 2020 |
| Ultra-environmental policy | New York Times | 13 Jun 2015 |
| Ultra-environmental policy |