CO2 in the Ice Core Record

This video segment, from the 'Earth: The Operators' Manual' featuring climate expert Richard Alley, shows how ice cores stored at the National Ice Core Lab provide evidence that ancient ice contains records of Earth's past climate - specifically carbon dioxide and temperature.

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Geoff Haines-Stiles Productions
The Operators' Manual

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Teaching Tips

This is only one segment in a series/program that aired on PBS in spring 2011 hosted by Richard Alley, a contributor to the United Nations panel on climate change. This segment is 1 of 5 in the series.

Can be used in conjunction with other CLEAN selected ice core activities:

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