Environment

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Across
  1. 3. (a) not harmful to the environment
  2. 6. (a) at risk of extinction
  3. 8. (n) the variety of plant and animal life in a habitat
  4. 9. (n) natural reserves such as coal, oil, and gas
  5. 10. (n) a method of turning organic waste, such as food or plant matter, into nutrient-rich soil
Down
  1. 1. (n) a situation where there are too many people living in one area
  2. 2. (n) a site where waste is buried under the ground
  3. 4. (n) the protection and preservation of natural resources
  4. 5. (n) the process of converting waste materials into new products
  5. 7. (n) the removal of the top layer of soil that leads to land degradation