Scientists Debate Climate Change Amid Stark Warnings
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World scientists gather next week to discuss the climate change crisis threatening the planet amid stark warnings that the time for talking is over and action is urgently needed.
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A rise of 1 degree Celsius could be enough to trigger 'dangerous' warming, scientists warn.
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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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Ecologists fear that global warming will make protected landscapes  inhospitable to prized species.
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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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Declaring the global warming debate over, an international team of scientists urged the world's nations on Tuesday to act now to keep climate change from becoming a catastrophe.
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Ecologists fear that global warming will make protected landscapes inhospitable to prized species.
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EXETER, England  - Scientists will step into a  feud between Washington and its allies over global warming at a  British-sponsored meeting this week.
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The world's largest general scientific society on Sunday joined the concern over global climate change, calling it a "growing threat to society."
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Mankind is to blame for global warming, the world's top climate scientists said on Friday, sending governments a "crystal clear" warning they must take urgent action to avert damage that could last centuries.
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Scientists risk debates on their research being shaped by minority "maverick" views, Lord Martin Rees warns.
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An international report giving greater certainty to global warming will shift the debate in Congress from what's causing climate change to the economics of who will pay to confront it.
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Scientists are warning that the earth&#39;s climate could be changing more rapidly than anyone thought because of a sudden and unexplained rise in the main greenhouse gas, carbon dioxide.
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Some of the scientists who first advanced the controversial "nuclear winter" theory more than two decades ago have come up with another bleak forecast: Even a regional nuclear war would devastate the environment.
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Animal and plant species have begun dying off or changing sooner than predicted because of global warming, a review of hundreds of research studies contends.
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U.S. scientists felt pressured to tailor their writings on global warming to fit the Bush administration's skepticism, in some cases at the behest of an ex-oil industry lobbyist, a congressional committee heard on Tuesday.
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Mankind is to blame for global warming, the world's top climate scientists said on Friday, sending governments a "crystal clear" warning they must take urgent action to avert damage that could last for centuries.