Across
- 1. natural resources
- 4. contamination; pollution
- 7. endangered species
- 11. to damage
- 12. to conserve
- 14. world
- 15. deforestation
- 17. to breathe
- 18. jungle
- 19. hybrid vehicles
- 21. volunteer
- 25. smog
- 28. environment
- 29. consumer
- 33. oil
- 34. ozone layer
Down
- 2. recycling
- 3. clean air
- 5. barely
- 6. cardboard
- 8. extrememely
- 9. to volunteer
- 10. forest fires
- 13. nature
- 16. tree
- 20. to protect
- 22. glass
- 23. trash can
- 24. responsibility
- 26. forest; woods
- 27. to recycle
- 30. destruction
- 31. responsible
- 32. little by little