Save the earth!

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Across
  1. 1. turn off ____
  2. 3. waste ____
  3. 5. ____ off lights
  4. 7. ____ paper
  5. 8. pollute the ___
  6. 9. go by _____
Down
  1. 1. cut down _____
  2. 2. recycle ____ bottles
  3. 4. waste _____
  4. 6. litter the _____