USA TODAY: U.S. Green Building Council certifies 1 billion square feet

The U.S. Green Building Council, as it kicks off its annual Greenbuild conference this week, is announcing a major milestone: its certified commercial buildings now exceed 1 billion square feet.

Another 6 billion or so square feet of projects are registered around the world under the private group’s LEED (Leadership in Energy and Environmental Design) program, one of the most comprehensive and best-known green building standards