“ its evolution of capitalism It's not just the US - this graph looks the same in most developed economies. according the Conference Board, its... (read full comment) ” 

Posted on August 5, 2011 at 5:08 PM EDT

“ Only half the story Last time I checked, heating and cooling buildings was about 40 percent of US CO2 emissions. Higher density development is... (read full comment) ” 

Posted on September 3, 2009 at 11:05 AM EDT