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U.N. climate panel to call for zero emissions by 2100

A U.N. panel on climate change is set to call for a zero emission of greenhouse gases at the global level by 2100 in the latest report to be published Sunday, conference sources said Saturday. A working group of the Intergovernmental Panel on Climate Change, which is meeting in Berlin, will call for "emissions levels near zero...or below" by the end of this century to keep the temperature change below 2 C from pre-industrial level.

IMF, World Bank push for price on carbon

The IMF and World Bank on Friday urged finance ministers to impose a price on carbon, warning that time was running out for the planet to avoid worst-case climate change. The heads of the two global economic institutions convened ministers from 46 countries -- including the United States, China, India and European powers -- on the sidelines of spring meetings in Washington to press the case for urgent climate action.

Shift to green energy will be tiny brake on growth: U.N.

By Alister Doyle, Environment Corrrespondent BERLIN (Reuters) - A radical shift from fossil fuels to low-carbon energy would slow world economic growth by only a tiny fraction every year, a new draft U.N. report on tackling global warming said on Friday. Many governments had complained that an earlier draft was not clear in its estimate of the costs of low-carbon energy, which include solar or wind, nuclear and fossil fuels whose greenhouse gas emissions are captured and buried underground.

U.N. climate report seeks clearer economics to guide action

By Alister Doyle, Environment Correspondent BERLIN (Reuters) - A U.N. report about ways to fix global warming due on Sunday is likely to disappoint investors seeking clear-cut economic calculations about the benefits and costs of curbing rising greenhouse gas emissions. Authors say the report stops short of an economic bottom line since it is hard to put a value, for instance, on human lives lost to extreme weather or on risks of a faster melt of Greenland's ice sheet that would push up sea levels.

Kyoto Protocol had "limited effect" on global warming: U.N. draft

A U.N. panel on climate change plans to release a report which is critical of the Kyoto Protocol aimed at curbing global warming, saying the international pact "has had limited effect on global emissions," a draft report showed Thursday. The third working group of the Intergovernmental Panel on Climate Change, which is meeting in Berlin, hopes to draw from lessons learned through the Kyoto Protocol for mapping out by 2015 a post-Kyoto framework to tackle greenhouse gas emissions.

Artificially cooling planet through geoengineering a sensitive topic for UN climate panel

BERLIN - It's Plan B in the fight against climate change: cooling the planet by sucking heat-trapping CO2 from the air or reflecting sunlight back into space. Called geoengineering, it's considered mad science by opponents. Supporters say it would be foolish to ignore it, since plan A — slashing carbon emissions from fossil fuels — is moving so slowly. The U.N.'s expert panel on climate change is under pressure from both sides this week as it considers whether geoengineering should be part of the tool-kit that governments use to keep global warming in check.

Hollywood heavyweights put climate change manifesto on TV

By Piya Sinha-Roy LOS ANGELES (Reuters) - As temperatures continue to rise and habitats come under threat, a group of Hollywood heavyweights is seeking to bring the spotlight back on climate change with a new documentary. "Years of Living Dangerously," a nine-part documentary beginning Sunday on CBS Corp's premium cable network Showtime, chronicles the human impact on the global climate and the consequences for humans of climate change.

Carbon cuts possible for manageable warming

The world, acting urgently, can curb carbon emissions enough to avert worst-case scenarios for climate change, UN experts said Monday as envoys met in Berlin to weigh the options for action. "The literature here shows that deep cuts in greenhouse gas emissions to limit warming to 2 C... remain possible," said Ottmar Edenhofer, who helped oversee the latest volume in a report by the UN's Intergovernmental Panel on Climate Change (IPCC). But achieving this goal, Edenhofer warned, will require a break from today's relentlessly upward trend in emissions.

Governments weigh options to brake climate peril

Government envoys and scientists gathered under the UN banner in Berlin Monday to hammer out a list of options for curbing carbon emissions driving dangerous climate change. Fresh from issuing its starkest-ever warning about the impacts of global warming on Earth's weather system, the Intergovernmental Panel on Climate Change (IPCC) will meet until Friday to vet the choices meant to inform policymakers.

Time running out to meet global warming target: U.N. report

By Alister Doyle, Environment Correspondent OSLO (Reuters) - World powers are running out of time to slash their use of high-polluting fossil fuels and stay below agreed limits on global warming, a draft U.N. study to be approved this week shows. Government officials and top climate scientists will meet in Berlin from April 7-12 to review the 29-page draft that also estimates the needed shift to low-carbon energies would cost between two and six percent of world output by 2050.
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