Environment

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Across
  1. 2. The variety of life in a particular ecosystem.
  2. 5. Process of reusing materials to reduce waste.
  3. 8. Decayed organic matter used as fertilizer.
  4. 9. Energy harnessed from the sun.
  5. 13. Energy sources that can be replenished, such as solar or wind power.
  6. 14. Release of gases or pollutants into the atmosphere.
  7. 15. Device that converts wind energy into electricity.
  8. 16. Capable of being maintained without depleting resources.
  9. 17. A dense area with a variety of trees and wildlife.
  10. 18. Protection and preservation of the environment.
  11. 19. Element found in fossil fuels and a key factor in climate change.
Down
  1. 1. Animals living in their natural habitat.
  2. 3. Study of the relationships between organisms and their environment.
  3. 4. Contamination of the environment by harmful substances.
  4. 6. A community of living organisms and their environment.
  5. 7. A layer of gas in the Earth's atmosphere that protects us from harmful ultraviolet rays.
  6. 10. Vast body of saltwater.
  7. 11. Structure for growing plants or a term associated with the effect of gases on Earth's climate.
  8. 12. Capable of breaking down naturally without harming the environment.