After decades of foul-smelling and toxin-producing algae blooms, Ford Lake has enjoyed several bloom-less years. In this week’s “Issues of the Environment” David Fair talks to the man who figured out how to prevent the blooms. Listen to the conversation with Dr. John Lehman, professor in the University of Michigan’s Department of Ecology and Evolutionary Biology, about his work to improve water quality on the 975-acre, man-made lake.