Sustainable Business, Green Business, Renewable Energy, Organic & Green Investing, Green Capital. USGBC: U.S. Green Building Council. Green Building. The World's 10 Greenest Buildings. The American Institute of Architects maintains a dynamic scorecard of the world's greenest buildings which you can f ollow online here . So far, here are the leaders. 2011 Top Ten Award Winners For information on the ten measures and supporting metrics used to evaluate the entries, see the Top Ten Metrics View .