Nature & the environment

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Across
  1. 4. natural resources
  2. 8. preserve
  3. 9. crop
  4. 10. ecological
  5. 14. combat
  6. 17. demand for
  7. 19. global
  8. 20. earthquake
  9. 24. surface
  10. 25. flood
  11. 26. edge
  12. 28. policy
  13. 29. exploitation
  14. 30. objective
  15. 32. humidity
  16. 33. yield
  17. 36. hurricane
  18. 37. marine
  19. 38. toxic
Down
  1. 1. sow
  2. 2. at the expense of
  3. 3. rough
  4. 5. conservation
  5. 6. prevention
  6. 7. litter
  7. 11. due to
  8. 12. disposal
  9. 13. sustainable
  10. 15. heat
  11. 16. famine
  12. 18. to depend on
  13. 21. border
  14. 22. scenery
  15. 23. manure
  16. 27. universe
  17. 28. cover
  18. 31. drought
  19. 34. layer
  20. 35. forecast