Lisa John Rogers | Great Lakes Now

The Great Lakes Water Quality Agreement needs to be updated to address the urgent issue of microplastic pollution. Scientists suspect high levels of microplastics in the Great Lakes because they are landlocked, and closer to people, which are the main source of plastic pollution.

This is the second half of a series on heat islands around the Great Lakes. Part one is on the human health cost. Part two is on the science behind combating the urban heat island effect, solutions to the complex problem, and the role the Great Lakes play.