Air pollution that settles out into the lakes is one of the ongoing pollution problems facing the Great Lakes. The Great Lakes Radio Consortium's Lester Graham reports on efforts to deal with one of the major pollutants that makes the transition from air pollution to water pollution:

In our next report in the Ten Threats to the Great Lakes series, we continue to look at how air pollution also pollutes the lakes. The Great Lakes Radio Consortium's Julie Halpert reports on how one pollutant is so toxic that it can cause neurological damage in humans.