Earth loses its 'air conditioner' : Arctic ice cap shrinks to record low level /
In September 2012, scientists found that the Arctic ice cap had melted to the smallest size ever. Ray Suarez talks to Walt Meier, a scientist at the U.S. National Ice and Snow Data Center about the new evidence and how a lack of Arctic sea ice affects ocean currents and changes weather patterns.
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| Format: | Electronic Video |
| Language: | English |
| Published: |
Arlington, VA :
MacNeil-Lehrer Productions,
2012.
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| Series: | Coping with climate change ;
season 1, episode 9 Environmental studies in video |
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