The federal government says endangered Atlantic salmon can coexist with dams on a river in Maine, dealing a blow to envi...

Ice dams are the result of a freeze-and-thaw cycle when there’s snow on your roof, and they suck. They can cause damage...

A proposal to bring down four hydroelectric dams near the California-Oregon border has cleared a major regulatory hurdle

Federal regulators have rejected the idea of removing four hydroelectric dams on a major Pacific Northwest river in a la...

A federal report released Friday rejected the idea of removing four hydroelectric dams on a major Pacific Northwest rive...