SNAP: ‘Data says global cooling, physical model says it has to be warming’

A global temperature conundrum: Cooling or warming climate? From the University of Wisconsin-Madison MADISON, Wis. — When the Intergovernmental Panel on Climate Change recently requested a figure for its annual report, to show global temperature trends over the last 10,000 years, the University of Wisconsin-Madison’s Zhengyu Liu knew that was going to be a problem.…

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