| ECOFRIENDLY | Benign to the environment (3-8) |
| THELEAST | The slightest of Banquo's wounds could be lethal to the environment (3,5,1,5,2,6) |
| TONATURE | The slightest of Banquo's wounds could be lethal to the environment (3,5,1,5,2,6) |
| ADEATH | The slightest of Banquo's wounds could be lethal to the environment (3,5,1,5,2,6) |
| ECOTOURISM | Seeing the world in terms of its importance to the environment? Find love in unexpected cruise to Malin Head! (10) |
| TOXICWASTE | Refuse to be a hazard to the environment (5,5) |
| ECO | Prefix related to the environment (3) |
| ECOTOXIC | Poisonous to the environment (8) |
| AFISHOUTOFWATER | Cod in chipper is completely unsuitable to the environment it finds itself in (1,4,3,2,5) |
| ECOLOGY | Celebrated or acknowledged annually on Earth Day, the study of organisms in relation to the environment (7) |
| ECOWARRIOR | A person actively involved in preventing damage to the environment (3-7) |
| POLLUTES | One type of vehicle used in surveys causes damage to the environment (8) |
| ECOTYPE | Enthusiast for conservation? One adapts to the environment (7) |
| UNGREEN | Hungry teens discarding wrappers harmful to the environment |
| LINDANE | Agricultural insecticide now thought hazardous to the environment (7) |
| THREATS | Dangers, ... to the environment |
| ECOLOGICAL | Relating to the environment |
| ECOLOGIC | Relating to the environment |
| IRON | Club's contribution to the environment (4) |
| ADAPTS | Adjusts to the environment |
