Ann Arbor is 1st in U.S. for clean technology 'innovation density' - MLive.com

MLive.com
Ann Arbor is 1st in U.S. for clean technology 'innovation density'
MLive.com
A new report by The Brookings Institution measured clean technology innovation across the U.S. to see where the nation stands on the ability to capitalize on the $1.4 trillion business opportunity from energy innovation. It's a category of technology ...