While the algal cells become trapped in the foam, the human-produced compounds are more worrisome; some, such as PFAS, are known as "forever chemicals" because they do not break down in nature.

The problem started decades ago. In the 1960s, the Defense Department worked with 3M, one of the largest manufacturers of PFAS chemicals, to develop a foam called AFFF that can extinguish high ...

Santa Clara County alleges that 3M, DuPont and the other companies are manufacturers of PFAS-based aqueous film-forming foam (AFFF) products, which were "discharged in and near Santa Clara County ...

Five buildings in that area were identified as likely culprits based on whether they stored a special firefighting foam that contains PFAS. The foam, known as AFFF, is appreciated by firefighters ...

Nantucket Memorial Airport is transitioning away from the use of firefighting foam containing polyfluoroalkyl substances, or ...

It will soon consider a state take-back program intended to rid Maine of harmful PFAS-laden firefighting foam. State lawmakers don’t have to decide what to do with DEP’s remaining PFAS money ...

A common source of PFAS contamination was aqueous film-forming foam used by military firefighters at U.S. and Japanese bases in the country. Both militaries have phased out its use, and U.S ...