NOVA

Understanding the Climate Clock

Clip: Season 45 Episode 7 | 5m 6s

A previous version of this video stated that the rhythm of the fluctuating carbon dioxide concentration in the atmosphere “matches that of the ice cores recorded in the ocean muds.” The pattern of CO2 fluctuation matches that of the ice ages – not of ice cores.

Aired: 03/09/18

Rating: NR

Video has closed captioning.

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