Across
- 3. waste
- 4. exhaust fumes
- 6. fire
- 8. packaging
- 9. traffic jam
- 12. to think/believe
- 14. rush hour
- 15. world global
- 18. to construct
- 19. war
- 20. to disappear
- 21. carbon
- 22. to destroy
- 23. deforestation
- 24. consumption
- 25. rubbish
Down
- 1. overpopulated
- 2. global warming
- 5. to increase
- 7. renewable
- 10. to damage/harm
- 11. de serre the greenhouse effect
- 13. carbon dioxide gas
- 16. light
- 17. to produce
- 24. peace
- 26. to collect