This story originally appeared in the Washington Post.
It's too darn hot. From Maine to Hawaii, the mercury has been rising relentlessly. The oven-like conditions in the United States are just the latest in a series of extreme weather events over the past year -- epic floods in Pakistan and Australia, record heat waves in Moscow, the heaviest snowfall in more than a century in South Korea. These extremes are pushing the limits of human experience. What is driving this phenomenon? And rather than just complain, what can we do about it?