Nobel Peace laureate Al Gore, left, and Doctor Rajendra Pachauri pose with the Nobel medal and diploma during an award ceremony at Oslo City Hall, Monday, Dec. 10, 2007. The former vice president received the 2007 Prize with Pachauri for their work to help combat global warming. Later in the day in Stockholm, the winners of the literature, medicine, physics, chemistry and economics prizes received their awards.
Nobel Peace Prize winners, Chairman of the Intergovernmental Panel on Climate Change Dr Rajendra K. Pachauri, top left, and Al Gore, right, are greeted by Norway's King Harald V, left and Queen Sonja at City Hall in Oslo, Norway, Monday, Dec. 10, 2007.
Nobel Peace Prize winner Al Gore speaks during the Nobel Peace Prize ceremony at the City Hall in Oslo, Monday, Dec. 10, 2007. Gore received his Nobel Peace Prize and urged the United States and China to make the boldest moves on climate change or "stand accountable before history for their failure to act."
Nobel Peace Prize winner Al Gore delivers a speech during the Nobel Peace Prize ceremony at the City Hall in Oslo, Monday, Dec. 10, 2007.
Nobel Peace Prize winner Rajendra Pachauri delivers his acceptance speech on behalf of the U.N. Intergovernmental Panel on Climate Change, during the Nobel awards ceremony at the City Hall in Oslo Monday Dec. 10, 2007.
Saroj Pachauri, left, and Tipper Gore, the wives of Nobel Peace Prize laureates Rajendra Pachauri and Al Gore, are seen during the Nobel awards ceremony an the City Hall in Oslo Monday, Dec. 10, 2007.
Nobel Peace laureate Al Gore is pictured wearing his cowboy boots during an award ceremony at Oslo City Hall Monday, Dec. 10, 2007. Gore said humanity was "waging war" on the Earth and urged the United States and China to join the fight against global warming as he accepted his Nobel Peace Prize.
Members of Norway's royal family, from left, King Harald, Queen Sonja, Crown Princess Mette-Marit and Crown Prince Haakon, applaud the Nobel Peace Prize laureates during the awards ceremony in the City Hall in Oslo, Monday, Dec. 10, 2007.
U.S. actress Uma Thurman and her companion Arpad Busson attend the Nobel Peace Prize awards ceremony at the City Hall in Oslo Monday, Dec. 10, 2007. Thurman will host the Nobel concert in Oslo Tuesday.
Nobel Peace Prize winners Al Gore, left, Rajendra Pachauri, the U.N. climate panel's chief scientist, center, and local child Jonas Robstad, 12, light the Nobel flame of peace, in an event organized by Save the Children, ahead of the Nobel Peace Prize ceremony at the City Hall in Oslo, Monday, Dec. 10, 2007.
Nobel Peace Prize laureates Al Gore, left, and Dr. Rajendra K. Pachauri, right, Chairman of the U.N. Intergovernmental Panel on Climate Change, greet members of the public from the balcony of the Grand Hotel in Oslo, Monday, Dec. 10, 2007.
Overhead view of Stockholm Concert Hall, ready for the Nobel Prize ceremony in Stockholm, Sweden, Monday, Dec. 10, 2007.
Swedish royal family at the Nobel Prize ceremony at Stockholm Concert Hall in Stockholm, Sweden, Monday Dec. 10, 2007. From left King Carl XVI Gustaf, Princess Madeleine, Crown Princess Victoria and Prince Carl Philip.
Professor Roger B. Myerson of the University of Chicago, left, receives the Sveriges Riksbank Prize in Economic Sciences in Memory of Alfred Nobel 2007 from King Carl XVI Gustaf of Sweden, right, for having laid the foundations of mechanism design theory at a ceremony in Stockholm Concert Hall, Stockholm, Sweden, Dec. 10, 2007.
Swedish Queen Silvia, left, arrives together with Magnus Storch, chairman of the Nobel Foundation for the traditional Nobel banquet at the Town Hall, Stockholm, Sweden, Friday Dec. 10, 2007. Behind them Swedish Crown Princess Victoria descends the stairs together with French laureate Albert Fert.
Guest are seen at the traditional Nobel banquet in the Stockholm Town Hall, Stockholm, Monday, Dec. 10, 2007.
Swedish Crown Princess Victoria, right, talks to U.S. medicine laureate Mario R. Capecchi, left, at the Nobel banquet at the Town Hall, Stockholm, Sweden, Monday, Dec. 10, 2007.
Swedish Princess Madeleine, left, seated next to German physics laureate Peter Gruenberg, right, at the Nobel banquet at the Town Hall, Stockholm, Sweden, Monday, Dec. 10, 2007.