Transcript for scene 33 of the video " Ice Age 2050s: Certainty 1" by Rolf Witzsche  

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Ice core records from Antarctica

Ice core records from Antarctica show a marked drop in CO2 concentration in the ice, for the period of the Little Ice Age. Lower CO2 levels typically reflect colder global temperatures.

 

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Published by Cygni Communications Ltd. North Vancouver, BC, Canada - (C) in public domain - producer Rolf A. F. Witzsche