April 2017

April 24, 2017

We ignore the worst estimates of climate change — catastrophic warming topping 4 or 6 degrees Celsius — at our peril, says economist Martin Weitzman. Climate change’s uncertainty — a product of the complexity of the natural systems involved and the vagaries of human efforts...

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March 30, 2017

March 2017

March 30, 2017

The facts, unfortunately, don’t speak for themselves. That’s why scientists have to speak out, according to Naomi Oreskes , a Harvard history of science professor who has taken a close look at the causes and effects of climate change denial. Oreskes, co-author, with Erik Conway, of the...