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Ice Sheets

Ice Sheets

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2:12
Episode 5: The Calling

The Calling

Season 4 Episode 5
53:05
When Whales Could Walk

When Whales Could Walk

Season 51 Episode 1
53:31
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Earth Emergency

Melting Permafrost

The permafrost is melting and roots that have been frozen for 40,000 years are thawing out and decomposing. What does this mean for our future?

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