Environment

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Across
  1. 3. garbage
  2. 6. make a space greener with plants
  3. 7. use things with no purpose
Down
  1. 1. damage something
  2. 2. discard something useless
  3. 4. leave something tidy, with no garbage
  4. 5. make a reduction of
  5. 6. contaminate with harmful substances