China's Sustainable Cities of the Future

On a sunny afternoon in Jiangxi Province, Professor Roger Ruan of the University of Minnesota stands on a grassy knoll overlooking . . . another grassy knoll. To the unsuspecting observer, this 400-acre piece of land seems like nothing more than green hills and rice paddies. But for Ruan and his team, it is about to become the physical arm of their renewable energy lab from across the world. Their vision is to create a pilot version of a system that has rapidly picked up speed in the past decade: an eco-city. Read more