This week on Earth Matters Gila Resources Information Project executive director Allyson Siwik talks with independent reporter and radio producer Laura Paskus about toxic and persistent chemicals called PFAS -- per- and polyfluoroalkyl substances – that have contaminated water supplies around the country, including here in New Mexico. The discussion covers contaminated groundwater at military sites in the state, as well as the recent study by the US Geological Survey […]