Agence France-Presse: The chances of hitting the UN's global warming target are diminishing, but the goal can still be met if greenhouse-gas emissions fall by 15 percent by 2020, scientists said on Friday. In a study issued at the world climate talks in Doha, they cautioned against mounting pessimism that the UN's objective of curbing warming to a safer two degrees Celsius (3.6 degrees Fahrenheit) is now out of reach. "Limiting global warming below 2C, or even to below 1.5C, remains technically and economically...
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