Across
- 4. natural resource
- 6. glass bottle
- 8. forest fire
- 9. heaven/sky
- 10. electric vehicle
- 11. humanbeings
- 13. waste
- 15. fuel
- 16. wild animal life
- 24. endangered species
- 25. jungle
- 26. illegal hunting
- 27. earth/land
Down
- 1. population
- 2. public transportation
- 3. ozone layer
- 5. nature
- 7. forest
- 12. oil spill
- 14. harmful chemical
- 17. drought
- 18. hybrid vehicle
- 19. plastic bottle
- 20. air pollution
- 21. wild plant life
- 22. cardboard
- 23. recycling
