| Ornamental tree |
| Environmentally friendly prefix |
| Ornamental herb |
| Ornamental shrub |
| 2005 Black Eyed Peas hit that Pitchfork called "so monumentally vacuous, slapped together and tossed-off that it truly tests the definition of 'song.' |
| Air-conditioning refrigerant causing environmental concerns |
| Ornamental flower |
| Overly sentimental |
| A partisan: Comb. form. |
| Advocate of: Comb. form |
| Ornamental braid |
| Ornamental groove |
| Tooth: Comb. form |
| Defective: Comb. form |
| Person with learning difficulties, but with other extraordinary mental skills — attains void (anag) |
| Deciduous ornamental shrub |
| The skipper's platform. |
| Tropical ornamental |
| Ornamental fastening |
| Fundamental principles |
| Acted in an environmentally conscious way |
| A cause of mental and physical disturbances |
| A million times: Comb. form. |
| Ornamental tag: Var. |
| Abnormal: Comb. form |
| Fundamental values |
| Acronym used to protest environmental hazards nearby |
| Ornamental carp |
| Environmental activist, and the letters changed in the theme answers |
| Environmental transition area |