Reyne's Sustainability Crossword Puzzle

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Across
  1. 5. different types of natural formations
  2. 8. animals home
  3. 9. use again
  4. 10. crisp and bright
  5. 12. nature
  6. 14. to keep tidy
Down
  1. 1. dirty air
  2. 2. teach
  3. 3. planet
  4. 4. close to extinction
  5. 6. plants
  6. 7. to make smaller
  7. 10. animals
  8. 11. reprocess
  9. 13. you throw this away