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On Feb. 25, I posted a blog arguing that nuclear weapons are the most important and urgent environmental threat today—even more important than climate change caused by greenhouse gasses. I received quite a bit of feedback from environmentalists—many of whom took umbrage with my thesis.
Environmentalists: Wake up! There is a greater and more urgent threat to the climate than even global warming: the threat posed by nuclear weapons. Why are nuclear bombs an environmental problem? We have long known that a large-scale nuclear war would lead to a sudden change in climate—called a nuclear winter—that could threaten all life [...]
