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It’s Cold Outside, So…

You’ve probably heard your right-leaning friends (hey, you may even be a right-leaning friend) say something along the lines of, “if global warming is true, why is it so damn cold outside?”

The simple answer is, it’s called global warming, not my front yard warming. But Krugman’s explanation today makes it pretty simple. It used to look like this:

And now it looks like this:

Two immediate implications. First, there will still be cold stretches: global warming shifts the distribution, it doesn’t eliminate the left side of the distribution. So there will still be cold spells; that proves nothing.

But the pattern should have changed: we should be getting lots of record highs, and not as many record lows — which is exactly what we do see.

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