A tiny fish is quietly telling one of the best environmental comeback stories in America, and almost no one outside New England has probably heard it. In 2012 and 2013, Maine lost two hydroelectric dams. According to a University of Maine research team writing in the journal Transactions of the American Fisheries Society, that decision triggered rapid, measurable changes across the entire fish community of the Penobscot River within just a few years after the dams were gone.
A river that almost went silent
