From non-stick frying pans to waterproof jackets, stain-resistant carpets and firefighting foams, products containing per- and polyfluoroalkyl substances (PFAS) have become part of everyday life. Their performance is impressive: they…

PFAS are often described as “forever chemicals” because many of them persist for years in the environment and can remain in the human body. They are used in products ranging…

“Forever chemicals” is the name often used for a large family of synthetic substances known as per- and polyfluoroalkyl substances, or PFAS. The term is memorable because it captures a…

Fluorinated gases are often discussed in the context of climate change, refrigeration and industrial emissions. Water quality may seem like a separate issue, but the connection is closer than it…

PFAS are often called “forever chemicals” because many of them persist for years—or much longer—in the environment. They have been used since the 1940s to make products resistant to water,…

Non-stick cookware is convenient: food releases easily, cleaning takes seconds, and a delicate omelette is less likely to become a scrambled disaster. But the smooth coating on many non-stick pans…

PFAS can be found in places many people do not expect: drinking water, household dust, cosmetics, food packaging—and, in some cases, the food itself. These highly persistent chemicals have been…