NEW YORK - SEPTEMBER 21: Chairman of Wal-Mart Robson Walton attends the Team Earth announcement at Greeley Square Park on September 21, 2009 in New York City. (Photo by Donald Bowers/Getty Images)
NEW YORK - SEPTEMBER 21: Chairman of Wal-Mart Robson Walton attends the Team Earth announcement at Greeley Square Park on September 21, 2009 in New York City. (Photo by Donald Bowers/Getty Images)