New York Attorney General Letitia James filed a lawsuit in state court against 3M, DuPont, and other manufacturers.
The complaint accuses the companies of contaminating the environment and harming public health through products containing per- and polyfluoroalkyl substances (PFAS).
The lawsuit alleges these firms knew about the dangers of these forever chemicals for decades but concealed the risks from the public.
New York seeks to compel the companies to fund environmental cleanup and pay for damages.
The state also demands that the manufacturers issue new consumer warnings regarding product risks.
Attorney General James stated the legal action aims to hold companies accountable for widespread contamination costs previously borne by communities.
This case increases the potential financial liability for major materials sector players facing a growing volume of PFAS-related litigation.