Scientists warn on climatic 'tipping points'
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Amazon and ice sheets heading for 'catastrophic collapse' An international team of scientists has presented its list of those regions of the planet most at risk from global warming, which are in danger of "sudden and catastrophic collapse" should they pass "tipping point" thresholds beyond which they will never recover.â¦
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Politicians in the nation's capital have been reluctant to set limits on the carbon dioxide pollution that is expected to warm the planet by 4 to 7 degrees Fahrenheit during the next century, citing uncertainty about the severity of the threat. But that uncertainty may have shrunk somewhat with the release last week of two scientific reports suggesting that global warming is not just a hypothetical possibility, but a real phenomenon that has already started transforming especially sensitive parts of the globe.
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PARIS, Feb 1 (IPS) - The fourth assessment of the Intergovernmental  Panel on Climate Change (IPCC) will confirm catastrophic  predictions on global warming and its effect on nature and  weather cycles over coming decades.
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Global warming is so severe that it will 'continue for centuries,' leading to a far different planet in 100 years, warned a grim landmark report from the world's leading climate scientists and government ...Comment
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An unexplained jump in greenhouse gases  since 2002 might herald a catastrophic acceleration of global  warming if it becomes a trend, scientists said on Monday.
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NASA and Columbia University Earth Institute research finds that human-made greenhouse gases have brought the Earthâs climate close to critical tipping points, with potentially dangerous consequences for the planet.
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Science & environment: The effects of climate change will be felt sooner than scientists realised and the world must learn to live with the effects, experts said yesterday.
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Global warming is approaching the point of no return, after which widespread drought, crop failure and rising sea levels will be irreversible, an international climate change task force warned Monday.
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SCORCHING summers, hotter than that of 2003, could become more common in Europe by the middle of this century. The risk has more than doubled because of human activity producing increasing greenhouse gases in the atmosphere.
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Arctic ice is melting fast, much faster than anticipated, leading some scientists to believe we may have already passed the tipping point as far as global warming is concerned.
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The world faces a surge in extreme weather events because of global warming and governments must act immediately to avert disaster, Britain's chief scientist said on Tuesday.
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Few consequences of global warming pose as severe a threat to human society as sea-level rise. But scientists have yet to figure out how to predict it.
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Climate scientists agree there have  been a lot of strong hurricanes lately. They agree that warmer  seas have given these storms some extra punch. But they  disagree how much global warming is to blame.
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Global warming over the coming century  could mean a return of temperatures last seen in the age of the  dinosaur and lead to the extinction of up to half of all  species, a scientist said on Thursday.
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The Earth's climate is out of balance and warming as a result of human activities, a leading scientific society warns.
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The harmful effects of global warming on daily life are already showing up, and within a couple of decades hundreds of millions of people won't have enough water, top scientists will say next month at a meeting in Belgium.
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LONDON - The world faces a surge in extreme weather events because of global warming and governments must act immediately to avert disaster, Britain&#39;s chief scientist said yesterday.