In this photo released by the United Nations taken Tuesday, Dec. 15, 2009, U.N. Secretary-General Ban Ki-moon, center, attends the opening of the Plenary of the High-Level Segment in the Bella Center in Copenhagen, Denmark. Seated next to him are Britain's Prince Charles, center right, Denmark's Prime Minister Lars Loekke Rasmussen, center left, COP President Connie Hedegaard, left, and UNFCCC Executive Secretary Yvo de Boer. AP Photo logo AP Photo 3 months ago

In this photo released by the United Nations taken Tuesday, Dec. 15, 2009, U.N. Secretary-General Ban Ki-moon, center, attends the opening of the Plenary of the High-Level Segment in the Bella Center in Copenhagen, Denmark. Seated next to him are Britain's Prince Charles, center right, Denmark's Prime Minister Lars Loekke Rasmussen, center left, COP President Connie Hedegaard, left, and UNFCCC Executive Secretary Yvo de Boer.