E3 U1

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Across
  1. 3. sustainable
  2. 9. species
  3. 10. crisis
  4. 11. contaminate
  5. 12. damage
  6. 14. planet
  7. 15. prohibit
  8. 16. earth
Down
  1. 1. protect
  2. 2. pollution
  3. 4. destroy
  4. 5. trash
  5. 6. threaten
  6. 7. develop
  7. 8. renewable
  8. 13. nature