Across
- 5. surrounding
- 6. family
- 9. school
- 11. domestic
- 12. animal
- 14. waste
- 17. playground
- 19. earth
- 20. sustainable
- 21. industrial
- 23. compound
- 27. effort
- 28. liquid
- 29. ecosystem
- 32. goal
- 35. responsible
- 37. nutrient
- 38. cleaning
- 40. healthier
- 41. nature
Down
- 1. disposing
- 2. living
- 3. volunteer
- 4. solid
- 7. material
- 8. pollution
- 10. citizen
- 13. atmosphere
- 15. classroom
- 16. dirt
- 18. garbage
- 19. example
- 22. food
- 24. organic
- 25. commercial
- 26. Agricultural
- 30. community
- 31. environment
- 33. erosion
- 34. refuse
- 36. clean
- 39. green