Cancun climate talks open seeking 'common purpose'

A new round of UN climate talks got under way in the Mexican resort town of Cancun on Monday to appeals for action after squabbles last year nearly drove the global summit in Copenhagen to disaster. News coverage of opening session including comments from host Mexican President Felipe Calderon and the head of the UN's Intergovernmental Panel on Climate Change which oversees the negotiation process.Duration: 01:03