Portage Marsh State Wildlife Area (Escanaba) Saturday, May 17 This will be a 1-mile walking tour along the Lake Michigan peninsula known to host more than 200 bird species. Expect to see ducks, ...

Over 95% of the U.S. general population has quantifiable serum levels of PFAS, with a mean of 2 to 5 parts per billion (ppb) for perfluorooctane sulfonate (PFOS) and perfluorooctanoic acid (PFOA), ...