Race for the Title of Greenest City Could be A Slugfest

The LA Times has a nice rundown of the emerging competition between the cities of LA and San Francisco over who is the "greenest of them all."  According to the Times: "Los Angeles Mayor Antonio Villaraigosa has a plan to slash his city's planet-warming greenhouse gases to 35% below the 1990 level by 2030, and make L.A. the "cleanest and greenest city in the country."  San Francisco Mayor Gavin Newsom has a blueprint to cut his city's greenhouse gases to 20% below the 1990 level by 2012, creating "the greenest large city in the United States of America."

So who's plan cuts your carbon the most?  Read on...