The US will be unrecognizable by the end of this century

It's hot outside, and calling it a trend would be an understatement. The warming of the planet has been relentless, according to scientific surveys.

Miserably hot summers are not the worst problem we face in the coming decades. Rising seas, an uptick in hurricanes and wildfires, and more invasive insects are already beginning to transform the United States. 

Ali Sundermier contributed to an earlier version of this post.