Last Unit

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Across
  1. 3. ____ level rise
  2. 5. icebergs
  3. 8. ice
  4. 11. panel on climate change
  5. 13. heat
  6. 14. ________ warming
Down
  1. 1. _______ nations
  2. 2. melts
  3. 4. source of nitrous oxide
  4. 6. burps methane
  5. 7. stronger and more frequent
  6. 8. _______ change
  7. 9. cars
  8. 10. describes the 'kind' of light
  9. 11. source of carbon dioxide
  10. 12. ________ dioxide