Catastrophe and the Climate

The Place of Science in the Policy Debate

A coal-fired power station near Cottbus, Germany, December 2009. Pawel Kopczynski / REUTERS

Science indicates that climate change is happening but says little about how well civilization will deal with it. In my recent article (“The Problem with Climate Catastrophizing,” March 21), I argue that those I term climate catastrophists—observers who regard climate change as an unprecedented, existential threat—badly underestimate humanity’s capacity to cope with change and thus overreact to the problem. Michael Mann’s response does not so much refute this argument as disregard it (“Climate Catastrophe Is a Choice,” April 21).

Mann begins by writing that "rather than assessing the legitimate range of views regarding climate change, Cass marshals a series of fallacies." But he points to no mischaracterizations of climate science in my essay. Instead, he extends a kind of scientific confidence to issues that lie outside of science’s domain. “It is true,” Mann writes, “that the projected effects of unmitigated warming might objectively be characterized as catastrophic.”

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