Delegates point to an interactive screen at the climate wall in the main venue at the UN Climate summit in Copenhagen, Denmark, Thursday, Dec. 10, 2009.
U.S. Interior Secretary Ken Salazar delivers his address at the Bela Center, the venue of the Climate Summit in Copenhagen, Denmark, Thursday, Dec. 10, 2009. The largest and most important U.N. climate change conference is underway, aiming to secure an agreement on how to protect the world from calamitous global warming.
Demonstrators hold banners drawing attention to the Children's Voices for Climate Justice inside the Bella Center Climate Conference venue in Copenhagen, Denmark, Thursday Dec. 10, 2009. Rich and poor nations, the reluctant and the ambitious, press on behind closed doors and in open forums to bridge wide gaps and reach agreements on how to combat global warming.
A delegate looks at a giant globe which displays the warming of the world's oceans in the U.S. pavilion at the U.N. Climate Summit in Copenhagen, Denmark, Wednesday, Dec. 9, 2009.
An unidentified delegate from Sierra Leone follows discussions in a nearly empty plenary hall during a working session at the U.N. Climate Summit in Copenhagen, Denmark, Tuesday Dec. 8, 2009. This decade is very likely to be the warmest since record-keeping began in 1850, and 2009 could rank among the top-five warmest years, a UN weather agency reported Tuesday.
Copenhagen's famous statue of the Little Mermaid, left, is backdropped by "The Survival of the Fattest" a sculpture created by Danish artist Jens Galschiot in Copenhagen, Denmark, Tuesday Dec. 8, 2009. The sculpture represents an overweight Lady Justice figure, symbolizing the rich industrialized world, sitting on the back of a thin worn-out African man.
A globe is displayed in a subway station in Copenhagen, Denmark, Sunday Dec. 6, 2009, one day before the Climate Summit kicks off.
Activists hold a banner reading "Copenhagen has to Succeed" next to an ice statue of the city's famed mermaid, left, on the opening day of the Climate Conference in Copenhagen, Denmark, Monday Dec. 7, 2009.
Delegates follow the opening ceremony of the Climate Conference in Copenhagen, Denmark, Monday, Dec. 7, 2009. The largest and most important U.N. climate change conference in history opened Monday, with organizers warning diplomats from 192 nations that this could be the best, last chance for a deal to protect the world from calamitous global warming.
Lars Loekke Rasmussen, Prime Minister of Denmark, speaks during the opening ceremony of the Climate Conference in Copenhagen, Denmark, Monday, Dec. 7, 2009. The largest and most important U.N. climate change conference in history opened Monday, with organizers warning diplomats from 192 nations that this could be the best, last chance for a deal to protect the world from calamitous global warming.
A choir performs during the opening ceremony of the Climate Conference in Copenhagen, Denmark, Monday, Dec. 7, 2009. The largest and most important U.N. climate change conference in history opened Monday, with organizers warning diplomats from 192 nations that this could be the best, last chance for a deal to protect the world from calamitous global warming.
Environmentalists from the group TckTckTck stage a demonstration during the press conference of U.N. Climate Chief Yvo de Boer at the Climate Conference in Copenhagen, Denmark, Monday, Dec. 7, 2009.
A delegate walks in front a light installation at the entrance of the Bella centre of the Climate Conference in Copenhagen, Denmark, Monday, Dec. 7, 2009.
Rajendra Kumar Pachauri, chairman of the Inter-governmental Panel on Climate Change, left, UN Climate Chief Yvo de Boer, second from left, Lars Lokke Rasmussen, Prime Minister of Denmark, second from right, and Ritt Bjerregrad, mayor of Copenhagen, right, during the opening ceremony of the Climate Conference in Copenhagen, Denmark, Monday, Dec. 7, 2009.
A video projected on a floating cubicle in the city center shows the United States as the second largest CO2 emitting country after China, on the opening day of the Climate Conference in Copenhagen, Denmark, Monday Dec. 7, 2009. The CO2 cube installation represents 1 metric ton of carbondioxide, the amount an average person in an industrialized country emits each month.
U.N. Climate Chief Yvo de Boer speaks at the culture festival 'Hopenhagen Live' which opened during the Climate Conference in Copenhagen, Monday Dec 7 2009. The largest and most important U.N. climate change conference in history opened Monday, with organizers warning diplomats from 192 nations that this could be the best, last chance for a deal to protect the world from calamitous global warming.
A globe is projected as people are seen in Town Hall Square on the opening day of the Climate Conference in Copenhagen, Denmark, Monday Dec. 7, 2009. The largest and most important U.N. climate change conference in history opened Monday, with organizers warning diplomats from 192 nations that this could be the best, last chance for a deal to protect the world from calamitous global warming.