There are two sides, at least, to most political questions, and a politician’s impulse may be to believe that the same holds true for science. Certainly, there are disputes in science. But on the question of climate change, the divide is stark.

There are two sides, at least, to most political questions, and a politician’s impulse may be to believe that the same holds true for science. Certainly, there are disputes in science. But on the question of climate change, the divide is stark.