C3: Over Last 5,000 Years, There Have Been 3 Major Warming Periods, Plus Our Current One (It's The Least Warm)

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Over Last 5,000 Years, There Have Been 3 Major Warming Periods, Plus Our Current One (It's The Least Warm)

View chart here. Source here.

January 18, 2009 at 02:56 PM | Permalink

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