What not Flint, yea just wait til next year, who cares , green isn't our favorite color anyway, unless it's money.

San Francisco is the greenest city in North America, followed by Vancouver and New York, according to the latest survey of green-city rankings. What cities are not quite so green? Take the jump and find out.The survey, commissioned by Siemens Corp and conducted by the Economist Intelligence Unit, looked at 31 indicators, ranging from consumption of water and electricity to efficiency standards.

According to the survey, cities with comprehensive plans for sustainable use of resources such as land and energy, did better in the rankings.

Real shocker here, Detroit was the least green of 27 cities ranked, just behind St. Louis, the survey said.