The City of Tacoma recently completed water quality improvement projects in the Larchmont neighborhood and the Madison ...

What happens in the Chehalis River basin matters to all of Washington – and beyond. Over the last century, the Chehalis Basin’s salmon runs have declined while flooding has become more frequent and ...

For almost 100 years, the Asarco Company operated a copper smelter in Tacoma. Air pollution from the smelter settled on the surface soil of more than 1,000 square miles of the Puget Sound basin.

In 2021, the Washington Legislature passed the Climate Commitment Act (CCA), which establishes a comprehensive, market-based program to reduce carbon pollution and achieve the greenhouse gas limits ...