Krugman v. Levin on Climate Change

Jim Manzi, a conservative expert on climate change, recently reviewed Mark Levin’s coverage of the subject in his book Liberty and Tyranny. Mr. Manzi was unimpressed:

I’m not expert on many topics the book addresses, so I flipped to its treatment of a subject that I’ve spent some time studying – global warming – in order to see how it treated a controversy for which I’m at least familiar with the various viewpoints and some of the technical detail.

It was awful. It was so bad that it was like the proverbial clock that chimes 13 times – not only is it obviously wrong, but it is so wrong that it leads you to question every other piece of information it has ever provided.

Levin argues that human-caused global warming is nothing to worry about, and merely an excuse for the Enviro-Statist (capitalization in the original) to seize more power. It reads like a bunch of pasted-together quotes and stories based on some quick Google searches by somebody who knows very little about the topic, and can’t be bothered to learn. After pages devoted to talking about prior global cooling fears, and some ridiculous or cynical comments by advocates for emissions restrictions (and one quote from Richard Lindzen, a very serious climate scientist who disputes the estimated magnitude of the greenhouse effect, but not its existence), he gets to the key question on page 184 (eBook edition):

[D]oes carbon dioxide actually affect temperature levels?

Levin does not attempt to answer this question by making a fundamental argument that proceeds from evidence available for common inspection through a defined line of logic to a scientific view. Instead, he argues from authority by citing experts who believe that the answer to this question is pretty much ‘no’. Who are they? – An associate professor of astrophysics, a geologist and an astronaut.

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