sorry his library is total crap, blank walls hostile to the street. egotechture. it's folks like him that are a drag on urban living. thank god most of europe doesn't look like his crap.
actually, the 2050 roadmap DOES call for energy efficiency approach, though mostly through building-envelope, lighting, HVAC measures. specifically by meeting passivhaus or minergie levels of efficiency. here in WA, that's actually rather easy to achieve and doesn't cost too much money w/ right designers on board.