A view of Lake Michigan from the John Hancock Center in Chicago, Illinois. (Photo/Ben Schumin via Flickr)

The Great Lakes Go Dry: How One-Fifth Of The World’s Fresh Water Is Dwindling Away

“Over the course of just one year, water temperatures went up by 2.5 degrees Celsius. That’s huge. And the cycle is reinforcing; one really warm year led to more than a decade of dropping lake levels.”