How Climate Has Shifted Over Millions of Years

Clip: Season 47 Episode 1 | 2m 44s

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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National corporate funding for NOVA is provided by <a href="" target=_blank">Draper</a>. Major funding for NOVA is provided by the David H. Koch Fund for Science, the <a href="" target="_blank">Corporation for ...