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