Rob Bilott’s 20-year legal battle with DuPont exposed a dangerous chemical that no one knew existed outside the companies that manufactured it. PFAS is a family of man-made chemicals that are known to cause serious human health impacts, and in recent months much has happened in public policy and litigation to address PFAS. Tune in as we talk with Rob Bilott about his book, Exposure: Poisoned Water, Corporate Greed, and One Lawyer's Twenty-Year Battle against DuPont, and the latest news on “forever chemicals.”