PFAS is shorthand for perfluoroalkyl and polyfluoroalkyl substances. The synthetic chemicals have been used for decades to ...

Issaquah Salmon Hatchery is a facility where salmon larvae hatch and travel to the ocean, then come back as adults to repeat ...

University of Illinois researchers analyzed traces of DNA in rivers and streams to learn how strips of trees near water — ...

EPA will collect soil samples in Los Angeles fire-affected areas to confirm cleanup effectiveness, focusing on lead ...