Across
- 1. fertilizer
- 3. coal
- 5. shortage
- 6. fear
- 8. species
- 9. flood
- 12. (to)scare
- 16. drought
- 18. warming
- 20. (to) waste
- 21. environment
- 23. sustainable
- 24. rubbish/trash
Down
- 2. renewable
- 4. harmful
- 7. improve
- 10. poacher
- 11. (to) threaten
- 13. flora
- 14. organic
- 15. oil
- 17. fauna
- 19. (to) sort
- 22. crop