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Worldwatch's Prugh discusses 2007 trends, says environmental issues driving global economy

Each year, the Worldwatch Institute releases a report analyzing the year's environmental trends. This year's report focuses on the "greening" of industry. During today's OnPoint, Tom Prugh, co-director of Worldwatch's State of the World 2008 report, explains why environmental issues are driving the global economy. He discusses what lies ahead for carbon markets and also addresses how local governments can engage communities for a more sustainable world.