Plus, Ted Danson, Tom Hanks, Sandra Oh, Norah Jones, and more.

Los Angeles deserves plaudits for many of its environmentally progressive initiatives – among them, fuel-efficient municipal vehicles and a pledge to generate 20 percent of its power from renewable sources by 2010. But much of this progress is rendered moot by the city's horrendous traffic-congestion problem, which stems from a sub-par – if not totally inadequate – public transportation system. Happily, The Governator and Mayor Antonio Villaraigosa are working on (or at least talking about) tackling the problem.