Aside from Idaho Rep. Mike Simpson, many Republicans who may have the returning president’s ear bitterly oppose dam breaching.

The Vancouver- and Portland-areas are expected to see more flood risk. But, is the same true for Cowlitz County and its Columbia River tributaries?

And through the 1990s, 12 salmon and steelhead populations in the Columbia River Basin were listed for protection under the Endangered Species Act as run sizes continued to decline. Since then ...

The change from the Biden to the Trump administration is primed to alter the trajectory of salmon recovery in the Snake and ...

This journey can span thousands of miles of river and ocean ... and oceans alike will suffer. Chinook salmon from the Upper Columbia’s spring run are presently on the endangered species list ...

Today’s positive finding responds to a 2019 petition by the Native Fish Society, Center for Biological Diversity and Umpqua Watersheds seeking safeguards for spring-run chinook salmon returning to ...

SEATTLE— A federal analysis of dams in the Columbia ... or “spring” Chinook, which historically often weighed more than 100 pounds and used to outnumber fall Chinook, have been particularly hard hit ...

Officials still are not close to reaching their goal of returning at least 5 million salmon and steelhead to the Columbia River Basin. However, new data shows a positive trend in total abundance ...

This six-episode series tells the story of the salmon of the Columbia River in a way not heard before: through the experiences of a tribal family that relies on the fish as essential to their way ...

These sea lions are moving upriver to feast on spawning smelt and migrating salmon, wildlife officials ... fish — up to 44% of the Columbia River spring Chinook run and 25% of the Willamette ...