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Lately, I’ve stopped worrying about climate change. Wait, that’s not quite right. But I only have so much worry bandwidth, and what is keeping me up at night lately is scarcenomoics, the idea that in a finite world, we may be hitting limits on some natural resources. Climate change doesn’t even have to play a [...]
It’s not the heat that might get us with climate change—it’s the humidity, so to speak. The risk of sea level rise due to melting land ice is one of the most recognized—if controversial and hard to predict—threats posed by global warming. Other potential impacts from global warming include increasingly powerful storms and floods of [...]
The Hoover Dam may be the Eighth Wonder of the World, but to me the more impressive achievement has always been Lake Mead, the man-made reservoir—which can contain nearly 10 trillion gallons of water—that the dam holds back. Lake Mead is a vast, living tank of water in the middle of the Nevada desert, as [...]
Over in USA Today, writer Laura Vanderkam has a shockingly un-American suggestion: kill your lawn. In the middle of what’s shaping up to be the hottest year on record, Americans are still spending time, money—and water—to keep their lawns green and trim. By Vanderkam’s numbers, 21 million acres in the U.S. are covered by grass [...]
