Environment

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Across
  1. 4. landfill
  2. 6. harmful
  3. 9. dispose
  4. 10. reusable
  5. 12. exhaust-fumes
Down
  1. 1. pollution
  2. 2. chemicals
  3. 3. clean-up
  4. 5. footprint
  5. 7. atmosphere
  6. 8. threaten
  7. 11. waste