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Nov 5, 2013

(Reuters) - Almost 200 nations will meet in Warsaw from November 11-22 to work on a deal due to be agreed in 2015 to fight climate change. Following are the main findings of a report in September by leading scientists - the U.N.'s Intergovernmental Panel on Climate Change (IPCC) - that are meant to guide the talks: HUMAN RESPONSIBILITY - The panel raised the probability that human activities, led by the burning of fossil fuels, are the dominant cause of global warming since the mid-20th century to "extremely likely", or at least 95 percent, from "very likely" (90 percent) in its previous report in 2007 and "likely" (66 percent) in 2001. PROJECTED WARMING - The panel said temperatures were likely to rise by between 0.3 and 4.8 degrees Celsius (0.5 to 8.6 Fahrenheit) by the late 21st century. CARBON BUDGET - The report said cumulative carbon emissions needed to be limited to about 1 trillion tonnes to give a likely chance of limiting global warming to 2 degrees Celsius (3.6F) above pre-industrial times.

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Posted: Tuesday November 5, 2013, 9:11 pm
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mark s.
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