Tell us about USGBC and its role in the ratings and certification of buildings. For more than 25 years, the U.S. Green Building Council has been dedicated to building an awareness of the impact buildings have on the environment and human health. With the evolution of LEED and the incredible support of our partners, we have established an entire community of sustainability leaders around a common cause: better buildings equal better lives. [caption id="attachment_44809" align="alignright" width="362"] Hearst Tower, New York City, New York, LEED Platinum[/caption] Over the last two decades, the LEED plaque has become the symbol of green building leadership. Today, people know that if they are in a LEED-certified building, they are using less energy and water, avoiding waste, saving on maintenance costs, improving indoor air quality, offering comfort to their occupants, and creating a less environmental burden on their community. With 110,000 registered and certified LEED commercial...