Across
- 2. contamination of air, water or soil
- 5. reusing materials to reduce waste
- 10. layer protecting earth from uv rays
- 11. gases released into the atmosphere
- 13. polluted precipitation harming ecosystems
- 14. Element linked to emissions
- 15. interconnected system of life and environment
- 18. synthetic materials harming oceans
- 19. long term weather pattern
- 20. renewable energy created by turbines
Down
- 1. fuel non renewable energy source like coal or oil
- 3. large scale removal of forests
- 4. grown without synthetic chemicals
- 6. type of gas causing warming
- 7. clean energy from the sun
- 8. Is in our ocean and kills our animals
- 9. variety of life on earth
- 12. unwanted or unusable materials
- 16. organic waste turned into fertilizer
- 17. to keep something going without harming it