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A warming trend of 0.32 °C/decade during 1979–1997 to a cooling trend of − 0.47 °C/decade during 1999–2014.

Remember the much ballyhooed paper that made the cover of Nature, Steig et al, “Warming of the Antarctic ice-sheet surface since the 1957 International Geophysical Year”, Nature, Jan 22, 2009 that included some conspicuously errant Mannian math from the master of making trends out of noisy data himself? Well, that just went south, literally.

And it just isn’t because the Steig et al. paper was wrong, as proven by three climate skeptics that submitted their own rebuttal, no, it’s because mother nature herself reversed the trend in actual temperature data in the Antarctic peninsula, and that one place where it was warming, was smeared over the entire continent by Mannian math to make it appear the whole of the Antarctic was warming.

The peninsula was the only bit of the…