dental floss and fire-fighting foam, since the 1940s. The manmade chemicals don't break down in the environment and experts believe they can build up in people, animals and the environment over time.

A project intended to remove firefighting foam containing harmful chemicals from a fleet of aircraft rescue and fire fighting ...

In April, more than 140 tons of fire-fighting foams believed to contain cancer-causing substances leaked out of the Marine Air Station Futenma at the center of a relocation dispute. The Defense ...