Per-and polyfluoroalkyl substances (PFAS) are used in fluoropolymer coatings and products that resist heat, oil, stains, grease and water. Here's everything you need to know about them.
Environmental scientists have discovered that simply switching to new formulations isn't enough – the toxic chemicals leave behind invisible layers that can contaminate new systems.
A new bill in Maine's legislature would require health insurers to cover blood tests for PFAS exposure, potentially helping thousands of residents in contaminated areas access critical health screening.
For residents of Johnson County, the wait for federal assistance continues as local officials work to address what they describe as an unprecedented environmental disaster.
New York tops the list, with a staggering 53.3% of its population – over 10.5 million people – served by water systems with health-based or acute PFAS violations.