Warm periods in the 20th century are not unprecedented during the last 2,000 years

Public Release: 8-Aug-2017 From Eurekalert Institute of Atmospheric Physics, Chinese Academy of Sciences   IMAGE: 2,000-year temperature reconstruction in China. view more Credit: Yang Liu & Jingyun Zheng A great deal of evidence relating to ancient climate variation is preserved in proxy data such as tree rings, lake sediments, ice cores, stalagmites, corals and historical…

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August 9, 2017 at 12:25PM

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