Earth Day Crossword

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Across
  1. 3. looking out for the future
  2. 4. worm food
  3. 8. a type of [see 3 across]
  4. 10. habitat
  5. 12. major concern for the future
  6. 14. not once
  7. 15. variety of all living things
Down
  1. 1. out with the trash
  2. 2. gone
  3. 5. destroyed by fossil fuels
  4. 6. air/water/land _________
  5. 7. returns to soil
  6. 9. polar bears, rhinos, sea turtles
  7. 11. excluding Pluto
  8. 13. undesired agricultural product abv.