NOVA

How Climate Has Shifted Over Millions of Years

Clip: Season 47 Episode 1 | 2m 44s Video has closed captioning.

A lake in the Arctic has a lot to say about our planet's fluctuating temperatures over the last 34 million years. Play NOVA's Polar Lab to see how.

Aired: 02/05/20

Rating: NR

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Problems Playing Video? | Closed Captioning

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