Other studies that could be considered to revise the environmental impact statement include a 2022 federal report that said ...

A flush of cleaned wastewater into the Santa Cruz River has restored a fish and wildlife connection in Arizona's Sky Islands.

On Sept. 16, the “assured annual flood control” part of the treaty expired, and flood risk management on the Columbia ...

Federal agencies announced Thursday they will update the environmental guidelines that shape how they operate 14 dams on the ...

Two federal agencies that operate dams on the Snake and Columbia rivers are reopening a 4-year-old study that rejected dam breaching to help save wild salmon and steelhead.

The Army Corps of Engineers and Bureau of Reclamation plan to update the 5,000-page Columbia River System Operations Environmental Impact Statement to consider new information that has emerged since ...

The U.S. Army Corps of Engineers and the Bureau of Reclamation announced Tuesday that they will update an environmental study on the management of federal dams along the Columbia and Snake rivers.

Two federal agencies that operate dams on the Snake and Columbia rivers are reopening a 4-year-old study that rejected dam ...

Chuckles ] You know, it's beautiful. It's stunning. -We'll meet and travel with the people who live and work alongside this unspoilt river... -It's just amazing. -...on a 172-kilometer journey ...

“The purpose of this action is to operate the Columbia River System to meet multiple responsibilities including resource, ...