Across
- 3. To recycle
- 6. climatique Global warming
- 8. noire Oil slick
- 14. Nuclear plant
- 15. Consumption
- 16. To reduce
- 18. Dangerous
- 19. Light bulb
- 20. Earth
- 21. To sort out
- 22. To pollute
Down
- 1. Trash
- 2. To threaten
- 4. Heat wave
- 5. Flood
- 7. Solar energy
- 9. Greenhouse effect
- 10. To throw away
- 11. To waste
- 12. To save
- 13. Cleaning
- 15. Heat
- 17. Glass