File:Co2 glacial cycles 800k.png

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Summary

Description	English: Ice core data estimates of Atmospheric CO2 over the last 800k years.
Date	18 August 2011
Source	Data from , and this looks best: 3. Composite CO2 record (0-800 kyr BP), marked up with 230ppm transition between glacial and interglacial periods.
Author	Tomruen

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