Environmental activists say that PFAS manufacturers knew about the health harms of PFAS long before they were made public.

The Environmental Protection Agency said Wednesday that it plans to weaken limits on some so-called forever chemicals in drinking water that were finalized last year, while maintaining standards for ...

Exposure to PFAS, or per- and polyfluoroalkyl substances, has been associated with metabolic disorders, decreased fertility in women, developmental delays in children and increased risk of some prost...