ENVIRONMENTAL CROSSWORD PUZZLE

12345678910111213141516171819202122232425262728293031323334353637383940
Across
  1. 3. Large marsupial
  2. 6. Gases like methane that trap heat in the atmosphere.
  3. 8. Coal, oil, or natural gas formed from the remains of ancient organisms.
  4. 12. Organic material from plants or animals used as fuel.
  5. 14. The clearing of forests by cutting down trees.
  6. 15. Trash that is thrown away improperly in a public place.
  7. 18. A renewable energy source often captured by turbines.
  8. 20. Food or farming methods produced without chemical fertilizers or pesticides.
  9. 24. Has a trunk
  10. 25. Flying mammal
  11. 26. Likes to chase mice
  12. 27. Able to be maintained at a certain rate or level; environmentally friendly.
  13. 28. The envelope of gases surrounding the Earth.
  14. 30. To process used materials for reuse.
  15. 33. Relating to or derived from the sun.
  16. 34. Precipitation with high levels of nitric and sulfuric acids.
  17. 35. The element central to global warming, often released as dioxide.
  18. 37. Energy derived from the movement of oceans and seas.
  19. 38. Energy generated from the heat of the Earth.
  20. 39. The variety of life in the world or in a particular habitat.
  21. 40. Decayed organic material used as a plant fertilizer.
Down
  1. 1. person who does not eat or use animal products, often for environmental reasons.
  2. 2. An area or ridge of land that separates waters flowing to different rivers, basins, or seas.
  3. 4. A prolonged period of abnormally low rainfall.
  4. 5. The natural home or environment of an animal, plant, or other organism.
  5. 7. The process of wearing away soil or rock.
  6. 9. A place where waste is buried.
  7. 10. Energy sources that can be naturally replenished.
  8. 11. Harmful substances introduced into the environment.
  9. 13. A layer in the stratosphere that protects Earth from{UV}radiation.
  10. 16. biological community of interacting organisms and their physical environment.
  11. 17. The process of burning something, releasing gases.
  12. 19. Man's best friend
  13. 21. A large, slow-moving mass of ice, often shrinking due to warming.
  14. 22. The protection of animals, plants, and natural resources.
  15. 23. A vital resource that covers about of the Earth's surface.
  16. 29. A species at risk of extinction.
  17. 31. The weather conditions prevailing in an area in general or over a long period.
  18. 32. Gases or other substances discharged into the air.
  19. 36. The state or process of a species dying out.