Earth day puzzle

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Across
  1. 2. The excessive use of material things, including food and natural resources
  2. 5. Convert waste into reusable material.
  3. 9. Cutting down of forests leading to increased erosion and slower soil regeneration.
  4. 10. The disappearance of all members of a species from Earth
Down
  1. 1. A lifestyle that meets the needs of the present without compromising the ability of future generations to meet their own needs; in other words, living a life that only uses what is needed and readily available
  2. 3. A method of resource conservation that involves using products more that once
  3. 4. Species with a small population that are in danger of becoming extinct
  4. 5. The process of making new products from materials that were used in another product
  5. 6. A process that allows the organic material in solid waste to be decomposed and reintroduced into the soil, often as fertilizer.
  6. 7. An area that provides an organism with its basic needs for survival.
  7. 8. A mixture of gases that surrounds our planet