U.S. congressman Charles B. Rangel gestures as he joins Nancy Pelosi, speaker of the U.S. House of Representatives, during a briefing at the climate summit in Copenhagen, Denmark, Thursday, Dec. 17, 2009. U.S. Secretary of State Hillary Clinton announced that the United States is prepared to join other rich countries in raising $100 billion in yearly climate financing for poor countries by 2020.
(AP Photo/Anja Niedringhaus)