water temperatures

(Runtime 0:56)Removing a small causeway in the Tri-Cities could have big impacts for salmon, according to years of study by the U.S. Army Corps of…

(Runtime 0:45)Several conservation and fishing groups say the Snake River dams are making the river too hot for sockeye salmon. Now, they’re planning to…

Federal regulators starting this spring will require dam operators to limit hot water pollution caused by the four Lower Snake River dams.