Police surround protestors outside the venue of the United Nations Climate Change Conference 2009 in Copenhagen December 16, 2009. REUTERS/Christian Charisius (DENMARK – Tags: ENVIRONMENT CIVIL UNREST)

Police surround protestors outside the venue of the United Nations Climate Change Conference 2009 in Copenhagen December 16, 2009. REUTERS/Christian Charisius (DENMARK – Tags: ENVIRONMENT CIVIL UNREST)