Scientific American: In more than a decade of reporting on climate change I can say one thing with absolute certainty. When it's cold outside, like during this recent polar vortex in the U.S., people start thinking this whole global warming thing must be overblown.
The opposite is also true. Which is why the next summer of El Nino is going to do more for action to combat climate change than any activist or scientific study. Don't believe me? A new social science study in the journal Nature Climate Change backs my...