Green Environment

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Across
  1. 3. Increase in Earth's average surface temperature due to greenhouse gases.
  2. 9. Site for disposing waste materials by burial.
  3. 10. Energy derived from natural resources that are constantly replenished (e.g., wind, solar).
  4. 14. Protect and preserve natural resources.
  5. 15. Using less energy to provide the same service or product.
  6. 16. Total amount of greenhouse gases produced directly or indirectly by human activities.
  7. 17. Contamination of the environment by harmful substances.
  8. 19. Preservation and careful management of natural resources.
  9. 20. Variety of life in a particular habitat or ecosystem.
  10. 22. Unwanted or unusable materials.
  11. 23. Capable of being decomposed by bacteria or other living organisms.
  12. 25. Clearing of forests for agriculture, logging, or urban development.
Down
  1. 1. Decayed organic material used as fertilizer.
  2. 2. Device that converts sunlight into electricity.
  3. 4. Degree to which air is pollution-free and suitable for breathing.
  4. 5. Produced without the use of synthetic chemicals or genetically modified organisms.
  5. 6. Energy sources that can be replenished naturally (e.g., solar, wind).
  6. 7. Development that meets current needs without compromising future generations.
  7. 8. Synthetic material made from polymers that can be molded.
  8. 11. Responsible use and management of water resources.
  9. 12. Gases that trap heat in the Earth's atmosphere (e.g., CO2, methane).
  10. 13. Convert waste into reusable material.
  11. 18. Long-term alteration of global weather patterns.
  12. 21. Layer in the Earth's stratosphere that absorbs most of the sun's ultraviolet radiation.
  13. 24. Community of living organisms interacting with each other.