Water Warning: The Looming Thread of the World’s Aging Dams
Tens of thousands of large dams across the globe are reaching the end of their expected lifespans. These deteriorating structures pose a serious threat to hundreds of millions of people living downstream.
When he was nine, my brother Steven enlisted the rest of the kids in our isolated neighborhood to help him build earthworks in the empty field behind our house. Not a fort—we already lived in one of those—but a replica of Little Round Top, a crucial site on the Gettysburg battlefield.