(L-R) Kofi Annan, former United Nations

(L-R) Kofi Annan, former United Nations Secretary-General and President of the Global Humanitarian Foundation Board, Jan Egeland, former Under Secretary General for Humanitarian Affairs and member of the Board, Rajendra Pachauri, chairman of the Intergovernmental Panel on Climate listen to journalists questions during a press briefing at the World Meterological Organisation (WMO) in Geneva, 17 October 2007. The Intergovernmental Panel on Climate Change (IPCC) -- a UN body of about 3,000 experts which has highlighted the human role in rising global temperatures, was awarded the 2007 Nobel Peace Prize. AFP PHOTO NICHOLAS RATZENBOECK (Photo credit should read NICHOLAS RATZENBOECK/AFP via Getty Images)