UPDATE: EPA says there’s not enough data to support salmon-killing tire chemical rule

But advocates call new federal guidelines for chemicals used in tires an important step in ending “urban stream syndrome”

Walleyes are causing a lot trouble in the Snake River

Anglers love them but the invasive species could undo years of salmon recovery efforts in the Columbia River Basin

Controversial retrofit of Wallowa Lake Dam would eliminate fish passages

Enviros, Nez Perce and Umatilla Tribes have filed a motion to suspend the implementation of a new Oregon rule they say harms salmon

Newly discovered vitamin source may help wild salmon survive

A dietary shift has led to a vitamin B1 deficiency in Pacific salmon. Researchers want to combat it

It’s official: White House plan to remove Snake River dams made public

Despite accusations, the Lower Snake River dams plan isn’t a done deal. Only Congress can authorize breaching the dams

Corps of Engineers proposes largest of its kind ‘fish vacuum’ on Willamette River

The federal agency says simply interrupting dam operations so fish can pass would negatively impact hydroelectric customers

Why this government proclamation actually matters to the Columbia River

A “first of its kind” federal commitment to salmon recovery has presidential bite behind it. Now let's see the money

UPDATE: ODFW Commission sued over salmon policy change

Enviros and Nez Perce Tribe join forces in claim that board didn’t provide appropriate public notice before making significant revisions