The 'forever chemicals' are per- and PolyFluoroalkyl Substances (PFAS), which have the endearing properties of being both toxic and nonbiodegradable. There is a useful introduction here. I haven't paid these much attention - just another pollutant; after all, we've been putting nasties into the environment for millennia (think lead, mercury, asbestos). We're still learning about the effects of Read more