These Chemicals Are Hurting Us. Why Aren’t We Regulating Them?

They’ve been found in our milk, our eggs, our water supply and our bodies.

In this audio essay, the environmental activist Erin Brockovich makes the case for better regulation of the per- and polyfluoroalkyl substances, or PFAS, contaminating our world. PFAS exposure has been associated with fertility issues and developmental delays in children. And while lawsuits have been filed against some of the biggest manufacturers of PFAS, Ms. Brockovich says those suits aren’t the only — or even the best — solution.