NOVA

How Humans Could Make Icehouse Earth into a Hothouse

Clip: Season 47 Episode 1 | 4m 21s Video has closed captioning.

Earth's climate has slowly fluctuated between cold and hot periods for millions of years. Today, humans are greatly accelerating that process.

Aired: 02/05/20

Rating: NR

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Problems Playing Video? | Closed Captioning

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