Enviromental Jr

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Across
  1. 3. - Coal oil and gas used for energy
  2. 7. - When a species no longer exists
  3. 11. - Long term change in Earths temperature
  4. 17. - Using resources without running out
  5. 18. - Harmful gases in the air
  6. 19. - Increase in Earths average temperature
  7. 20. - Unwanted or unusable materials
Down
  1. 1. - Cutting down large areas of forest
  2. 2. - Trapping of heat in Earths atmosphere
  3. 4. - Protecting and preserving the environment
  4. 5. - Catching fish faster than they reproduce
  5. 6. - Variety of living organisms in an area
  6. 8. - Waste entering oceans and harming life
  7. 9. - Reusing materials to reduce waste
  8. 10. - Energy from sources like sun or wind
  9. 12. - A community of living and nonliving things interacting
  10. 13. - When animals lose their natural home
  11. 14. - Harmful substances added to the environment
  12. 15. - Gas that contributes to global warming
  13. 16. - Contamination of water sources