Across
- 2. small pieces of rubbish left on the ground
- 9. an adjective which means good for the environment long-term
- 13. protecting nature, animals, and the environment
- 14. gases or smoke released into the air
- 15. power used to make things work, like electricity
Down
- 1. the process of turning waste into new materials
- 3. the typical weather conditions of a place
- 4. a system of living things and their environment
- 5. dirty air, water, or land caused by people
- 6. things that are thrown away because they are not needed
- 7. an adjective which means it can be replaced naturally
- 8. a common material that is difficult to break down
- 10. the cutting down of many trees in a forest
- 11. a structure where plants grow, also linked to gases that warm the planet
- 12. the variety of plants and animals in an area