PFOS levels decline in the Mississippi

Levels of a chemical once manufactured by the 3M company — perfluorooctane sulfate, or PFOS — are declining in the Mississippi River fish below the Twin Cities, but the levels remain high  between the 3M manufacturing plant in Cottage Grove and the dam at Hastings. The Minnesota Pollution Control Agency reported those results from extensive … Read more

Ethanol, PFCs, smelt, a mud volcano — and more

Every week the Freshwater Society publishes In the News, a digest of regional, national and international news articles and other reports about water, water pollution, water conservation and the environment. Click on the links below to read the original sources excerpted in the digest. Oceans getting more acidic, study says Parts of the world’s oceans … Read more