Christophe Dubi, director of sport for the IOC, said the vote was part of a process that began in 2001 after Dr. Jacques Rogge took over as president of the organization and said he wanted to limit the size, cost and complexity of the Games.
All models were required to have a body mass index -- a ratio of height and weight -- above 18, the minimum limit considered healthy by the World Health Organization.
Earlier this year, dozens of businesses and environmental groups signed on to the United States Climate Action Partnership, an organization calling for a so-called "cap-and-trade" system to limit carbon emissions.