Columbia River

Federal regulators starting in spring will require dam operators to limit hot water pollution caused by the four Lower Snake River dams.

Health officials are testing Tri-Cities, Washington drinking water twice a week for toxic algae since a half-dozen dogs were sickened or died recently after being on the Columbia River. And the river shore is closed in Howard Amon Park in Richland. But toxic algae is a nationwide problem, and we still have much to learn.

Closures of recreational steelhead fisheries on the Deschutes, Umatilla, John Day and Walla Walla rivers are intended to limit damage to historically small runs.

The number of steelhead returning to the Columbia River this year is the lowest ever recorded. A group of conservation and fishing organizations say people should stop fishing for them this year.

 A proposal to lay cables beneath the Columbia River is met with skepticism from an Indigenous activist and the river’s advocates

Indigenous tribes and environmentalists are calling on the Biden administration to live up to its commitment to environmental justice by cleaning up a contaminated Columbia River island adjacent to Bonneville Dam.

Some Native American tribes in the Northwest are criticizing the suggestion that they have competing opinions on how best to save endangered salmon runs.

New research says the Columbia River Basin is expected to see up to a 60% increase in flooding due to climate change.

A judge on Monday voided permits needed for a massive methanol plant on the Columbia River in southwestern Washington, agreeing with conservation groups that the project needs a more thorough environmental review.

Oregon, Washington, Idaho and Montana announced Friday they have committed to a unified public process to find solutions to key issues for recovering the imperiled fish.