Greenpeaceactivists hang a banner at Cristobal Colon statue during a demonstration on the final day of the Barcelona Climate Change Talks November 6, 2009. Climate negotiators prepared to ditch a December deadline for agreeing a new pact as U.N. talks in Barcelona drew to a close on Friday with little progress made. The banner reads, "Climate chaos, who is to blame". [Agencies]

 
Greenpeace activists hang a banner at Cristobal Colon statue during a demonstration on the final day of the Barcelona Climate Change Talks November 6, 2009. Climate negotiators prepared to ditch a December deadline for agreeing a new pact as U.N. talks in Barcelona drew to a close on Friday with little progress made. The banner reads, "Climate chaos, who is to blame". [Agencies]