Happy Earth Day!

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Across
  1. 3. garden
  2. 6. pollution
  3. 9. reuse
  4. 12. birds
  5. 13. environment
  6. 16. protect
  7. 17. grass
Down
  1. 1. land
  2. 2. recycle
  3. 4. conserve
  4. 5. flower
  5. 6. plants
  6. 7. tree
  7. 8. green
  8. 10. nature
  9. 11. air
  10. 14. oxygen
  11. 15. water