Environment

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Across
  1. 2. harmful
  2. 4. conservation
  3. 9. deforestation
  4. 11. reusable
  5. 12. poisonous
Down
  1. 1. organic-waste
  2. 3. fossil-fuels
  3. 5. threat
  4. 6. clean-up
  5. 7. landfill
  6. 8. footprint
  7. 10. trash