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Worldwatch's Sheehan calls for federal action on efficiency and transportation

Local leaders throughout the country are looking to the success of their international counterparts as they try to promote energy efficiency and environmental awareness in the United States. During today's OnPoint, Molly O'Meara Sheehan, senior researcher at the Worldwatch Institute and project director of "State of the World 2007: Our Urban Future," discusses global trends in greening urban transportation and energizing cities in efficient and environmentally sound ways. Sheehan discusses the success that many major international cities have had in "greening" their transportation infrastructures and promoting alternative sources of energy.