Perfluoroalkyl and polyfluoroalkyl substances (PFAS) are a class of synthetic chemicals widely used in industrial processes and consumer products because of their resistance to heat, water and oil.

Add Yahoo as a preferred source to see more of our stories on Google. Scientists in Latin America are sounding the alarm over the presence of microplastics in freshwater sources — and the understudied ...

Fish can accumulate high levels of per- and polyfluoroalkyl substances (PFAS), even far from sources of contamination, according to a new study. The research highlights the need for expanded ...

Fish can accumulate high levels of per- and polyfluoroalkyl substances (PFAS), even far from sources of contamination, according to a new study by researchers at The Harvard John A. Paulson School of ...

Add Yahoo as a preferred source to see more of our stories on Google. The saying "you are what you eat" has likely caused many of us to think more carefully about what we consume. It's less likely, ...

Officials say firefighting foam likely caused PFAS contamination in North Potomac, but the extent of the pollution and a cleanup timeline remain unknown.

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. A Newsweek map shows the cities with the most water systems in which ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. A map has revealed the five states with the most water systems where ...