U.S. Army Corps of Engineers

Biologists say removing a 550-foot causeway in Richland would be a big help for struggling salmon in the Yakima River.

(Runtime :56) On the banks of the Snake River in far eastern Washington, sockeye salmon have had a rough summer. The water behind the last major concrete…

It’s still warm in the afternoon on the edge of the Columbia River as water laps against the shore.A team of Environmental Protection Agency scientists…

(Runtime 0:59) Fish counters are seeing thousands of lamprey going past the Bonneville Dam on the Columbia River. But tribal biologists say these toothy,…

(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…

The U.S. Army Corps of Engineers is continuing its investigation into the deaths of around 30 steelhead trout near Idaho’s Dworshak Dam on the North Fork of the Clearwater River.

The fight over salmon and dams on the Columbia and Snake rivers could be headed back to the courtroom. Conservation and fishing groups say the federal government’s newest plans to manage dams and protect salmon is inadequate. Now, they’re ready to sue.

After four years of study, the Record of Decision makes the federal agencies’ preferred option official. Managers and dam supporters say it will benefit salmon, reliable hydropower and the economy. Wild salmon advocates, tribal representatives and renewable energy advocates say this decision will hurt salmon and the orcas that depend on them for food.

Water temperatures are expected to increase as the climate warms. Rivers saw a glimpse of what the future could hold five summers ago, when low water flows and hot temperatures killed thousands of salmon.

Across the U.S., convention centers and empty fields were transformed into emergency field hospitals at a cost to federal taxpayers of more than $660 million. Most haven't treated a single patient.