Polar Bears Search for Scraps in Changing Climate

A polar bear mother and her cubs search for scraps during a too-hot summer. In the Southern Beaufort Sea, there are only about half as many polar bears as there were 35 years ago. North Alaska has the largest oil field in America, and its effects can be seen in the changing landscape and climate.

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Clip Season 40 Episode 12 Length 02:52 Premiere: 04/13/22

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Length 23:00 Premiere Date 09/16/25

Titanoboa: The largest snake that ever lived

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