When Chesapeake Bay governors and other leaders gather at the National Aquarium on Tuesday to consider the next bay cleanup ...

The Trump administration is seeking to abandon a rule that sets tough standards for deadly soot pollution, arguing that the ...

Some 4,000 gallons of gasoline spilled into Hill Ditch, a salmon-bearing stream and part of the Skagit River watershed.

Residents of Seattle’s South Park neighborhood are frustrated by a persistent foul odor that has lingered for weeks, and ...

Over 100 complaints of a pungent smell have been reported to the Puget Sound Clean Air Agency. The source has been a bit of a ...

The Northwest’s primary oil pipeline has shut down for the second time in a week, this time leading Washington Gov. Bob ...

State Department of Ecology and the oil giant continue to clean site and assess cause of jet fuel leak on the Olympic ...

“6PPD is a chemical that is used in almost all tires to keep them from breaking down as easily, to help them last longer,” ...

Puget Sound Energy and the City of Lacey, Washington, have teamed up to launch a program offering up to $8,000 in rebates for ...

On the 10-month anniversary of the Eaton fire ravaging the town of Altadena, about 50 residents gathered in the driveway in one of the homes that survived the blaze with a sobering set of testing ...