Over the past 20 years, “green infrastructure” has evolved into a sophisticated concept that cities and towns across the U.S. are beginning to use. That is, they examine ways to manage water, wastewater, energy and air quality with natural solutions like trees and plants, as well as a variety of man-made green products. Perhaps no city in the U.S. can surpass the City of Philadelphia’s embrace of green infrastructure. Their billion dollar project involves planting 300,000 trees, creating rain gardens and new wetlands, the installation of permeable pavement, green roofs, and more. In fact, their example is becoming a model for enlightened urban water resource management worldwide. The hosts discuss green strategies for storm water management with Glen Abrams, the Manager of the Philadelphia Water Department’s Office of Watersheds Planning and Strategic Policy