Thursday, June 21, 2012 CNN.com - Top Stories: Greenest buildings: No more energy bills CNN.com - Top Stories CNN.com delivers up-to-the-minute news and information on the latest top stories, weather, entertainment, politics and more. Greenest buildings: No more energy bills Jun 21st 2012, 10:31 A rigorous green certification system is recognizing the next phase of eco design, which its founders describe as "the world's greenest buildings." You are receiving this email because you subscribed to this feed at blogtrottr.com. If you no longer wish to receive these emails, you can unsubscribe from this feed, or manage all your subscriptions Tweet