| Clue | Source | Date |
|---|---|---|
| Texan Reg devastated by levy aimed at discouraging environmental damage (5,3) | ||
| Penalty for a polluter | New York Times | 02 Oct 2021 |
| Ecological assessment | Newsday | 08 Sep 2019 |
| It's paid by polluters | New York Times | 27 Apr 2019 |
| It's paid by polluters | ||
| Levy on coal, e.g. | ||
| Pollution control assessment |