Across
- 3. pollution
- 5. fabric bag
- 7. environmental protection
- 9. shopping bag
- 12. environmentalist
- 13. sewage
- 14. ocean
- 18. rubbish
- 20. clearning product
- 22. plastic bag
- 23. ship
- 24. bike
Down
- 1. on foot
- 2. environmental vandal
- 4. forest
- 6. plane
- 8. heater
- 10. rubbish bin
- 11. river
- 15. bottle
- 16. train
- 17. tram
- 19. car
- 21. air
- 25. rain forest