Education | A Global Warming Warning
Clip: Season 26 Episode 8 | 2m 13s
The challenges faced by polar bears as global warming melts the polar ice cap.
Aired: 09/21/11
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Problems Playing Video? | Closed Captioning
Clip: Season 26 Episode 8 | 2m 13s
The challenges faced by polar bears as global warming melts the polar ice cap.
Aired: 09/21/11
Problems Playing Video? | Closed Captioning
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