Across
- 4. to clean
- 7. global warming
- 10. to reduce
- 11. to celebrate
- 12. water
- 15. to save
- 18. flowers
- 19. smoke
- 20. danger
- 22. draught
- 23. rain
- 24. garbage
- 27. pollution
- 28. rain forest
- 30. hurricane
Down
- 1. to take care
- 2. ambiente environment
- 3. ice
- 5. planet
- 6. nature
- 8. wind
- 9. to protect
- 13. contamination
- 14. april
- 16. trees
- 17. cardboard
- 21. flood
- 25. sun
- 26. to recycle
- 29. river