See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. Huge numbers of salmon in the streams of Washington state's Puget Sound ...

Coho salmon continue to die in Puget Sound creeks after rainstorms. The deaths were linked to bits of car tires shed from road friction into stormwater runoff in 2018. Washington State University’s ...

There is an air filter for your car, a filter for your tap water, and air filters for our smoky Northwest air. Now, there could be a filter to help the region's struggling salmon. According to a new ...

A relatively simple, inexpensive method of filtering urban stormwater runoff dramatically boosted survival of newly hatched coho salmon in an experimental study. That's the good news for the ...

For decades, Coho salmon were turning up dead in urban streams the Pacific Northwest. The salmon would stop swimming straight, and then die before... Why are so many Coho salmon dying? The answer ...

SEATTLE — Since the early 1990s, scientists up and down the West coast have known about a mysterious killer lurking in the waters of urban creeks wiping out populations of Coho salmon. While it is ...

In the fall, when rain cascades down from thick gray skies, pooling over streets and surging down storm drains, my mind drifts to the fish. It is during this time that coho salmon are returning from ...