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Pass it on: Global warming is not “unprecedented”

December 13, 2009

Doc of The Autopsy has created an animated version of the graphs of historical temperatures in Greenland and Antarctica found at Watts Up With That?.  I’ve already discussed the graphs and the Medieval Warming Period but this video makes the point very clear that we have not caused global warming and that the earth has been much warmer than it is today.

Climate changes … it always has and always will cycle through periods of warming and cooling.

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