EPA Study: Urban more green than "Green"

In short, living in a transit-oriented, multi-family home--even w/o green construction & autos (A)-- is much more energy efficient than a conventional single-family house with all the green trappings (B).

via treehugger:

http://www.treehugger.com/files/2011/02/location-efficiency-as-important-as-energy-efficiency.php