Across
- 2. Harness-Of-Wind
- 6. Harmless
- 7. Disposal-Area
- 9. Causes-Of-Pollution
- 13. Fuel
- 14. Dangerous Air
- 15. Reuse
- 16. Solar-Power
- 17. Contamination
- 18. Fumes
Down
- 1. Death-Of-Species
- 3. Climate-Change
- 4. Surroundings
- 5. Decomposability
- 6. Decomposition
- 8. Landscape
- 10. Environmentally-Healthy
- 11. Poisonous-Material
- 12. Sky
