Polar Bear Nation

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Across
  1. 1. problem
  2. 3. melting
  3. 5. clothes
  4. 7. throw away
  5. 10. environment
  6. 11. came back
  7. 12. design
  8. 15. team
  9. 16. triplets
  10. 18. far away
  11. 20. means
Down
  1. 2. decided
  2. 4. pants
  3. 6. collect
  4. 7. save
  5. 8. ice
  6. 9. look for
  7. 13. in trouble
  8. 14. nation
  9. 17. sell
  10. 19. bears