see more

NEW YORK - SEPTEMBER 20: Former U.S. President Bill Clinton addresses the audience during the opening plenary, called Leaders Dialogue on Climate Change, of the seventh annual meeting of the Clinton Global Initiative (CGI) at the Sheraton New York Hotel on September 20, 2011 in New York City. Established in 2005 by former U.S. President Bill Clinton, the CGI assembles global leaders to develop and implement solutions to some of the world's most urgent problems. (Photo by Daniel Berehulak/Getty Images)

NEW YORK - SEPTEMBER 20: Former U.S. President Bill Clinton addresses the audience during the opening plenary, called Leaders Dialogue on Climate Change, of the seventh annual meeting of the Clinton Global Initiative (CGI) at the Sheraton New York Hotel on September 20, 2011 in New York City. Established in 2005 by former U.S. President Bill Clinton, the CGI assembles global leaders to develop and implement solutions to some of the world's most urgent problems. (Photo by Daniel Berehulak/Getty Images)