Melting of ice caps

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Across
  1. 2. Ocean's water level increaseRenewable energy source
  2. 3. Climate change awareness month
  3. 7. Renewable energy source
  4. 8. Planet's protective layer
  5. 9. Ice cap's winter covering
  6. 10. Frozen water form
Down
  1. 1. Major gas causes greenhouse effect
  2. 4. Season when ice melts
  3. 5. Animal that lives in the Arctic
  4. 6. What makes ice caps melt