Environmental Problems

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Across
  1. 3. The impact humans leave on an environment
  2. 4. Spilling contaminants into nature
  3. 7. Exceeding max capacity
  4. 10. Name one thing Overpopulation causes
  5. 12. name one renewable source
  6. 16. Benefiting off a natural resource (Poaching)
  7. 17. Wrote Sand county Almanac about management about wildlife
  8. 18. The study of the natural world and how we affect it.
  9. 19. pleasing to look at
  10. 20. Manage resources
  11. 21. Depletion of natural resources
Down
  1. 1. First directer of the U.S. Forest service
  2. 2. Name one thing pollution causes
  3. 5. made a national wildlife reserve for the Brown pelican
  4. 6. Variety of life in nature
  5. 8. protect nature from danger
  6. 9. wrote a book about pesticides.
  7. 11. Name one nonrenewable source
  8. 13. Vaccines,and anti-venom
  9. 14. Nature writer and established Yosemite National park
  10. 15. To keep the ecosystem in balance