Climate Summit

UN members pressed ahead Sunday with a vision for a historic pact to defeat climate change by adopting a format for national pledges to cut Earth-warming greenhouse gases.
      
At a marathon conference in Lima, they also approved a blueprint to guide negotiations for the deal due to be sealed in Paris in December 2015.
      

Developed countries must do more than their less wealthy counterparts to tackle climate change, the world's biggest polluter China said Nov. 25, reaffirming its longstanding position before a United Nations climate conference next month.