Study charts 2,000 years of climate change by continent

From The New York Times:

 

A comprehensive new analysis of temperature changes over the continents through 2,000 years has found that a long slide in temperatures in most regions preceded the unusual global warming of recent decades, but with a lot of regional variability and other fascinating details. 

The 78-author paper, published Sunday in Nature Geoscience, used a variety of indirect indicators of temperature, from tree rings to pollen grains, to build on other work charting temperature shifts since the end of the last ice age — including the recent Marcott et al paper, explored here, which used seabed sediments to chart 11,000 years of temperatures.

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