Across
- 3. to collaborate
- 5. plastic bags with "de"(4)
- 7. the opposite of to open
- 12. turn off the light (3)
- 13. to support
- 15. fresh water (3)
- 16. to spend
- 17. credit card(4)
- 20. to go shopping (3)
- 23. to take care of
- 24. factory (2)
- 25. faucet
- 27. we need to recycle (2)
- 31. cooperation (2)
- 33. we should protect (2)
- 36. to consume
- 37. we have to reuse (3)
- 38. to buy online (3)
- 39. electricity (2)
Down
- 1. to waste
- 2. damage
- 4. to destroy
- 6. solar solar energy(3)
- 8. tin can (2)
- 9. to spend
- 10. light bulb (2)
- 11. we should save water (3)
- 14. nature (2)
- 18. to avoid
- 19. heat (2)
- 21. fires (as in"forest fires destroy trees")
- 22. river (2)
- 26. to disappear
- 28. plastic bottles with "de" (4)
- 29. we want to transform (2)
- 30. poverty (2)
- 32. to contaminate
- 34. to throw away trash (3)
- 35. the forest (2)