PCBs — toxic industrial chemicals banned in the U.S. decades ago — still persist in Great Lakes waterways because they accumulate in sediment and move through the food chain, especially […]
By Riley Wilson
Rising levels of per- and polyfluoroalkyl substances (PFAS) contamination are prompting scientists to question whether the Great Lakes can safely sustain surrounding communities. A recent study shows signs of declining PFAS pollution in these waters using archived fish.