The environment

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Across
  1. 2. harming the environment as little as possible
  2. 6. become bigger,higher or better
  3. 8. not living
  4. 9. a thing that is caused by something else
  5. 10. not harmful
Down
  1. 1. aim, goal
  2. 3. the top part of an area of land
  3. 4. way of solving the problem
  4. 5. damage badly
  5. 7. everything in the world that is not controlled by humans