The burning of Fort McMurray in the Canadian province of Alberta is a terrifying glimpse of what a climate crisis looks like. While scientists are cautious about attributing any one event to global warming, the months without rain followed by unusually high temperatures are exactly the sort of conditions associated with a warming planet—and they set the conditions for big fires.

The dangers of runaway climate change make this U.S. presidential race pivotal. Our next president must be someone who understands the science, can build support for a clean energy future, and is independent enough from the fossil fuel industry and its investors to make the right choices.

The dangers of runaway climate change make this U.S. presidential race pivotal.