Greenland Ice Core Analysis Shows Drastic Climate Change Near End Of Last Ice Age

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Information gleaned from a Greenland ice core by an international science team shows that two huge Northern Hemisphere temperature spikes prior to the close of the last ice age some 11,500 years ago were tied to fundamental shifts in atmospheric circulation.

More... (http://www.sciencedaily.com/releases/2008/06/080619142112.htm)