snake river

Bighorn sheep in Hells Canyon are turning up sick with pneumonia after more than five years without an outbreak of the potentially fatal disease. In an unfortunate turn, biologists said, the highly contagious illness could have spread because the herd was doing so well.

A large algal bloom on the Snake River officially has died off. The toxic algae stretched about 30 miles along the river this past fall.

After decades of courtroom drama, a document leak and years of negotiation, federal officials agreed with six Northwest tribes to restore salmon, build-up clean energy and begin studying how to replace services the Lower Snake River dams provide.

After leaked documents suggested the Biden administration could be making moves to help remove Washington’s four Lower Snake River dams – congressional Republicans said they needed answers.

Federal government studies Columbia River in Washington, Shenandoah River in Virginia, Escalante National Monument in Utah and the American River in California for toxic algae.

A harmful algal bloom on the Snake River has spanned nearly 30 miles of the river. The Whitman County health department says it hasn’t seen a bloom like this on the Snake before.

Several groups say the Snake River dams are making the river too hot for sockeye salmon. Now, they’re planning to sue the federal government.

A large oil leak went undetected for 90 days at a dam on the Lower Snake River.

Scientists at Pacific Northwest National Laboratory are tagging and releasing lamprey to learn more about their journey to sea from inland rivers.

Environmental groups plan to pause their 20-year legal battle to protect salmon.