Environment & Energy Report
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97% of Americans have a detectable amount of per- and polyfluoroalkyl substances, or PFAS, in their blood, but we don’t yet know all of their health effects. The EPA says more than 600 PFAS chemicals are in the marketplace in the U.S., and the OECD says there could be 5,000 types worldwide. States are racing to regulate PFAS, while the federal government lags.