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Across
  1. 3. why not
  2. 5. protect
  3. 6. decide
  4. 7. travel
  5. 10. carbon
  6. 12. reduce
  7. 15. faucet
  8. 16. table wear
  9. 18. repeat
  10. 19. eco bag
  11. 20. air conditioning
  12. 22. responsibility
  13. 24. straw
  14. 25. bring your own
Down
  1. 1. province
  2. 2. packaging disposable
  3. 3. environmental
  4. 4. lunch box
  5. 8. surroundings
  6. 9. recycle
  7. 10. challenge
  8. 11. tune
  9. 13. kettle
  10. 14. power supply
  11. 17. emission
  12. 21. buy
  13. 23. break down