United Nations Secretary General Ban Ki-moon rides a bike made of bamboo during a meeting with the Ghana Bamboo Bike initiative at the UN Climate Conference in Warsaw, Poland on Wednesday.
Photo by Associated Press /Chattanooga Times Free Press .
published Wednesday, November 20th, 2013
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WARSAW, Poland — Rich and poor nations are struggling with a yawning rift at the U.N. climate talks as developing countries look for new ways to make developed countries accept responsibility for global warming — and pay for it.