| Environmentally friendly prefix |
| Air-conditioning refrigerant causing environmental concerns |
| Family subdivision |
| Military subdivision |
| Acted in an environmentally conscious way |
| Jurassic subdivision |
| Highway subdivision |
| Army subdivision |
| Phylum subdivision |
| Acronym used to protest environmental hazards nearby |
| Internet subdivision |
| Be a good environmentalist |
| Environmental activist, and the letters changed in the theme answers |
| Bureaucratic environmental regulations |
| Environmental transition area |
| Eon subdivision |
| Corp. subdivision |
| Environmentally unfriendly cars? |
| Subdivision of a Roman legion |
| Subdivision at the mannequin factory? |
| Dobbs who blasted "The Lorax" for its environmentalist message |
| University subdivisions |
| Environmentalist's maj. |
| Environmentalist's celebration |
| ___ Sea (environmental tragedy of Kazakhstan) |
| Environmentalist's sci. |
| Environmental problem addressed in the Clean Air Act |
| The Simpsons" girl who's an environmentalist |
| Environmentalist's prefix |
| Environmentalist's goal |