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The marine heat wave that struck the Pacific Ocean in late 2013 also caused large changes in temperature in the Salish Sea, but scientists are still puzzling over the impacts of those changes on Puget Sound's food web. The so-called "blob" of warmer than average water was thought to have increased the production of plankton, which potentially benefits creatures like herring and salmon that feed on the tiny organisms. A new paper in the journal Frontiers in Marine Science calls that interpretation into question, pointing to a computer model that links the cause to higher-than-normal river flows in the region.   

The reasons for the surprise visits are unknown, but changes in environmental conditions here or elsewhere are one possibility.

The history of land use in King County has produced a lowland and foothill landscape of bewildering variety. The once continuous forest of western hemlock, Douglas-fir, and redcedar has given way to a patchwork of lawns, parks, playgrounds, woodlots, greenbelts, old fields, croplands, tree farms, and remnant forests set amid a landscape of urban, suburban, rural, and commercial uses, ...

Bull trout appear to be thriving in nearly every section of the Elwha River. Populations there have at least doubled in the years since dam removal, signaling good news for a species that has struggled throughout the West. We bring you part six of our series 'Returning home: The Elwha's genetic legacy.'

Three common words and their legal interpretation a half-century ago helped set the stage for a cultural revival among Native Americans while propelling an environmental movement that still resonates today. Environmental reporter Christopher Dunagan revisits the legal reasoning behind the famous Boldt decision that upheld tribal fishing rights in the state of Washington.

A new report says further study may reveal why experts cannot find expected benefits to salmon populations, despite widespread use of wood in stream restorations.

Many of Puget Sound's Chinook salmon spend their entire lives in local waters and don't migrate to the open ocean. These fish tend to collect more contaminants in their bodies because of the sound's relatively high levels of pollution. 

In August 2024, the U.S. Fish and Wildlife Service and the Jamestown S’Klallam Tribe signed an agreement to become co-managers of two national wildlife refuges in the Puget Sound region. It was the first agreement of its kind in the state, and since that time, the tribe has been leading site operations at Dungeness Spit and Protection Island, greeting visitors, fixing roads, and hosting scientists. We spoke with refuge manager Fawn Wagner to get her insights into what it means for both wildlife and the tribe's strong historical and cultural relationship with the region.