San Francisco shows what 'going green' really means

San Francisco, with a 72% recycling rate and a goal of zero waste to landfill by 2020, is being called one of the 'greenest cities' in the U.S. Jared Blumenfeld, director of the department of the environment talks about some of the projects, including an interactive map that helps users understand their carbon footprint and a solar mashup that enables citizens to price out the cost of installing solar on building rooftops.