Virtually indistinguishable - Comparing early 20th Century warming to late 20th Century warming

Guest essay by Andy May Many writers, including Professor Richard Lindzen and Ed Caryl have noticed the remarkable similarity in global warming observed from around 1910 to 1944 and 1975 to 2009. The similarity in slopes exists in all global surface temperature datasets. Figure 1 shows the HadCRUT version 4 dataset and the NASA GISS…Continue Reading

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