Earth Day

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Across
  1. 2. When there is too much trash in the air, land, or water
  2. 6. The natural environment in which an animal or plant lives
  3. 7. To use less of something
  4. 9. The process of collecting and changing old paper, glass, plastic, and other materials so it can be used again.
  5. 10. To carelessly drop trash on the ground
  6. 11. It refers to animals that are at high risk of extinction
  7. 12. What is left of a substance or material after the useful parts have been removed
Down
  1. 1. Animals and plants that live independently of people
  2. 3. To keep something (or someone) from getting damaged
  3. 4. It is a term used to refer to any action or movement concerned with protecting and preserving the environment. It is also a colour.
  4. 5. To use again
  5. 8. The air, water, and land in or on which people, animals, and plants live