Protecting the Environment

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Across
  1. 3. The action or process of converting waste into reusable material.
  2. 4. Air pollution that reduces visibility.
  3. 6. Water, air, or land means to make it dirty and dangerous to live in or to use.
  4. 8. A sum total of all the living and non-living elements.
  5. 10. To decay naturally and in a way that is not harmful
Down
  1. 1. Made from decomposing plants and animal
  2. 2. Prevention of wasteful use of a resource.
  3. 5. A poisonous form of oxygen
  4. 7. Energy that does not come from fossil fuels
  5. 9. Is a broad term that includes any form of precipitation.