NOVA

How Carbon Dioxide Warms Planet Earth

Clip: Season 47 Episode 1 | 2m 32s Video has closed captioning.

The greenhouse effect keeps Earth warm. Play NOVA's Polar Lab to find out what too much CO2 in our atmosphere may mean for our planet.

Aired: 02/05/20

Rating: NR

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Problems Playing Video? | Closed Captioning

Major funding for NOVA is provided by the David H. Koch Fund for Science, the <a href="http://www.cpb.org/" target="_blank">Corporation for Public Broadcasting</a> and PBS viewers. Additional funding is provided by the ...