Environmental issues

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