Delegates from 191 countries and the European Union opened UN-sponsored talks Monday inDurban, South Africa, amid deeply divisive questions over when and how to replace the 1997Kyoto Protocol with an agreement that is legally binding on all major greenhouse-gas emitters, not just developed countries. The talks are taking place against a backdrop of grim news concerning Earth’s climate, including rising concentrations of heat-trapping carbon dioxide gases and a recent report by the Intergovernmental Panel on Climate Change (IPCC) that highlights the increased risks emerging from extreme-weather events.
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