Episode 7: A Headache on the Hudson

In Edgewater, a bustling urban town across the Hudson River from Manhattan, a polluted lot of a former factory sits right on the water. Today it's a Superfund site being cleaned up, set to one day become a piece of prime real estate for redevelopment. But that cleanup has created problems of its own, and as the process drags on, the threat of flooding from the river grows.