Back when the FDA was testing ads to discourage kids from smoking, they tried arguments based on science: smoking will give you cancer; smoking will give you emphysema; smoking will hurt your unborn child. They tried appealing to kids’ social anxieties: smoking will make your teeth yellow; smoking will give you bad breath. None of these arguments worked very well. What worked was telling kids that the tobacco companies were lying to them, tricking them into smoking so that they could make money off them for the rest of their lives. The Madhouse Effect: How Climate Change Denial Is Threatening Our Planet, Destroying Our Politics, and Driving Us Crazy, by climate scientist Michael Mann and cartoonist Tom Toles, serves the same purpose. It makes it quite clear that the “debate” about climate change has nothing to do with science and everything to do with wishful thinking, exploited by vested economic and political interests. Only when that false debate is put behind us will a productive discussion about what to do about climate change finally begin, returning scientific evidence to its rightful place as a powerful tool, not a punching bag.

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