Across
- 6. takepart
- 9. marineanimals
- 10. tap
- 14. take place
- 15. recycle
- 17. turnoff
- 19. publictransport
- 21. different
Down
- 1. during
- 2. cut down
- 3. organise
- 4. trafficjam
- 5. destroy
- 7. pollution
- 8. pollute
- 11. area
- 12. can
- 13. plant
- 16. litter
- 18. plan
- 20. environment
