Read the full article by Jordan Joseph (earth.com)
“Across the United States, tree swallows near bases and factories carry high levels of per- and polyfluoroalkyl substances (PFAS), according to a new study.
PFAS, also known as ‘forever chemicals,’ are a large family of long lasting industrial chemicals.
The heaviest exposures occurred at sites influenced by aqueous film forming foam, a firefighting foam used on fuel fires, and by urban sources. At those spots, PFAS levels were up to 40 times higher than at cleaner reference areas.” …