Earth Day Puzzle

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Across
  1. 4. Food-soiled paper products
  2. 7. Protect from harm
  3. 12. Living things that can move around to find food
  4. 16. Make dirty or harmful
  5. 17. Almost half of the food in the US
  6. 18. Having a great amount of wind
  7. 19. A place where garbage is hauled and burned
  8. 21. Estimated age is 4.5 billion years old
  9. 22. Mixture of gasses that surround the earth
  10. 23. Clear liquid with no taste or color
  11. 27. Type of worker that generates 2lbs of paper daily
  12. 29. A $200 billion industry in the US
  13. 31. Americans use 85 million tons per year
  14. 33. Can be used for composting
Down
  1. 1. To contaminate the environment with man-made waste
  2. 2. Human beings
  3. 3. 100% recyclable
  4. 5. Flower
  5. 6. 400 planted for every person on earth
  6. 8. Most have leaves, roots, stems and flowers
  7. 9. Plastics labeled 4 through 7
  8. 10. 1 ton of this material saves 46 gallons of oil
  9. 11. 11.2 million tons get thrown away annually
  10. 13. Number one most recycled item in the U.S.
  11. 14. Body of water covering three quarters of earth
  12. 15. The destruction of earth's trees
  13. 20. Government agency formed in support of Earth Day
  14. 24. Turning off lights helps conserve
  15. 25. Plastics labeled 1 through 3
  16. 26. Found in 90% of our table salt
  17. 28. Anything that is burned as a source of energy
  18. 30. 80 billion are consumed in the US each year
  19. 32. One of the fastest growing waste streams