the environment

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Across
  1. 3. is to stop something being damaged
  2. 4. is when somenthing continues to exist
  3. 6. is a person who works for no pay
  4. 8. is a place to live or stay
  5. 9. is to make an amount smaller
Down
  1. 1. is to give money or help to someone, something
  2. 2. is the protection of natural things
  3. 5. is damage caused to air, or water by harmful waste
  4. 7. is the work necessary to keep something in good condition