Mathy Stanislaus, Environmental Protection Agency

The results are in for the latest Federal Green Challenge. The Environmental Protection Agency names the winners for Overall Achievement and for Improvement in the areas of Waste, Electronics, Purchasing, Energy, Water, and Transportation. Mathy Stanislaus is assistant administrator for the Office of Solid Waste and Emergency Response at the EPA. He explains on In Depth with Francis Rose why the agency thinks the Challenge is important and valuable.