Earth Day

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Across
  1. 2. amusements or pastimes
  2. 3. an upward raise or lift; increase
  3. 6. spoiled; to make filthy, dirty or disgusting
  4. 9. preservation from injury or harm
  5. 12. to have publicly supported or protested an idea by standing, walking or holding a sign
  6. 13. the elements of the natural world, such as mountains, trees, animals, etc.
Down
  1. 1. useful hints,ideas, or bits of information
  2. 2. relating to the whole world
  3. 4. to bring to an end
  4. 5. to cease, end, or discontinue
  5. 7. to commemorate an event with a party or festivities
  6. 8. the remains or impressions of a living thing from a geologic age
  7. 10. correct, fitting, desirable
  8. 11. to impart knowledge or skill