Is climate change an impending major calamity, threatening massive economic and ecological costs that could virtually wipe out mankind? Or is it a conspiracy of liberal scientists bent on hobbling the American economy and imposing green socialism worldwide?

For a long time, I’ve held to a middle-of-the-road view—though it’s caused me to be labelled both a gullible alarmist and a “climate denier” over the years. That view, in short, is this: Climate change is real but slow, partially man-made but partially natural, and potentially harmful but more likely a wash.

While you won’t see it reflected in the headlines about the release of the Fifth Assessment Report of the Intergovernmental Panel on Climate Change, part of which was unveiled today in Stockholm, even the IPCC’s authors are tip-toeing toward those of us in the muddled middle.

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