Sustainability and the City: Can you make the scene and still be green?

Is eco-sexual the new metro-sexual? Is being green the new black?

Cities around the world are concerned about sustainability. Enhanced recycling programs, better public transit and bicycle- and pedestrian-only zones are just a few of the initiatives underway. But do they go far enough? Since an average city requires 300 to 1000 times its landmass to support daily demands such as food, garbage disposal and energy, is it really possible for urban residents to be green?