Like many waterways through America's cities, the Bronx River in New York has seen better days. Industrial waste and the impact of millions of people living on and around its banks made the river suffer mightily from pollution in the 50s, 60s and 70s. But local efforts to restore and protect the Bronx River and its watershed are having a real impact, raising awareness of the river's plight and putting in place measures to reduce pollution, restore native vegetation and stabilize this vital ecosystem...