Add Yahoo as a preferred source to see more of our stories on Google. Environmental groups and the state of Oregon asked a judge Tuesday to OK a suite of changes to dam operations in the Columbia ...

Kennedy's dam comments sparked rare public clash with Idaho Republican leaders. State lawmakers defend dams for hydropower, trade, and Idaho's water sovereignty. Science agency supports dam breaching ...

Originally published July 20 by the Spokesman-Review. WASHINGTON — Fifty years ago in June, elected officials gathered in Lewiston to celebrate a remarkable feat: With the completion of the Lower ...

During a virtual press conference Oct. 9, Klamath River scientists announced that a year after the last of the dams were removed, river health has begun to bounce back. With salmon swimming upstream, ...

Chinook salmon swim up a creek in Washington state. (Getty Images) Editor’s note: This is the first installment of a series on salmon originally published by the Idaho Capital Sun. The Nez Perce Tribe ...

A long-running court battle over how to balance protections for endangered fish with hydropower dams in the Columbia River Basin has resumed after a two-year pause. Conservationists, anglers and clean ...