Across
- 4. industrialised country
- 6. emission
- 11. biodegradable
- 12. exploit
- 15. waste
- 16. harmful
- 17. export
- 19. greenhouse effect
- 20. invent
- 21. sea level
- 22. transportation
- 23. fossil fuel
Down
- 1. developing country
- 2. flood
- 3. decent
- 5. shift work
- 7. wage
- 8. boycott
- 9. pollution
- 10. overpopulation
- 13. landslide
- 14. reduce
- 18. renewable