The Philippines' head negotiator Naderev Sano (R) hugs a delegate at the closing plenary of the 2013 UN Climate Change Conference in Warsaw, Poland, on Nov. 23, 2013. The United Nations climate talks on Saturday agreed on some major principles in Warsaw for a new global climate pact due to be agreed on in 2015 and enter into force after 2020. [Photo/Xinhua] |
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