Aging and Underfunded: America's Dam Safety Problem, in 4 Charts

There are more than 87,000 dams in America and, like most infrastructure, they go largely unnoticed — until something goes wrong. That was the case in and around South Carolina’s capital this week, when at least 20 dams collapsed during catastrophic floods. The number of dam breaches was rare. But to experts who monitor dam … Read more

Setting Rivers Free: As Dams Are Torn Down, Nature is Quickly Recovering

BENTON FALLS, MAINE — “Look underneath you,” commands Nate Gray, a burly biologist for the state of Maine. He reaches down to the grate floor of a steel cage perched on a dam straddling the Sebasticook River, and pulls back a board revealing the roiling river 30 feet below. “All you see is fish.” Below, undulating in … Read more