By Paul Homewood
As WUWT points out, John Holdren is one of many who have tried to link the cold winter in the USA this year to global warming.
In his White House video in January, he had this to say:
“A growing body of evidence suggests that the kind of extreme cold being experienced by much of the United States as we speak is a pattern that we can expect to see with increasing frequency as global warming continues….
We also know that this week’s cold spell is of a type there’s reason to believe may become more frequent in a world that’s getting warmer, on average, because of greenhouse-gas pollution.”
But is there any evidence that extreme cold winters are becoming more common, or, for that matter, more extreme?
First, let’s check the temperature trends for the CONUS in winter.
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