Across
- 2. how the environment is changing because of pollution etc.
- 8. possible to decompose naturally
- 10. turn waste into something new, or to reuse it
- 11. to be careful and aware
- 12. when you act on something
- 15. the planet getting hotter
- 17. together
- 18. natural, not with toxic chemicals
- 19. what we produce with airplanes, for example
Down
- 1. energy that is from a sustainable source
- 3. everything natural
- 4. a material that is hard to get rid of
- 5. the practice of not using all of our resources
- 6. how much carbon each person produces
- 7. to lessen the amount
- 9. to use something again
- 13. the place we live
- 14. garbage, trash
- 16. the natural world