How Global Warming Can Lead to a Big Chill
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Global warming could lead to a big chill in the North Atlantic, at least if history is anything to go by, researchers reported on Friday.
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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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Fourth in a monthly series For scientists, global warming is a disaster movie, its opening scenes set at the poles of Earth. The epic already has started. And it's not fiction. The scenes are playing, at the start, in slow motion: The relentless grip of the Arctic Ocean that defied man for centur...
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Locked away in fossils is evidence of a sudden solar cooling. Kate Ravilious meets the experts who say it could explain a 3,000-year-old mass migration - and today&#39;s global warming.
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Global warming is causing the Arctic ice-cap to melt at such an unprecedented rate that by the summer of 2070 it may have no ice at all, according to the most comprehensive study carried out on global climate change in the region.
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An unexplained and unprecedented rise in carbon dioxide (CO2) in the atmosphere two years running has raised fears that the world may be on the brink of runaway global warming.
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Global Warming is a hot topic that shows little sign of cooling down. Earth's climate is changing, but just how it's happening, and our own role in the process, is less certain. Includes photo gallery.
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Greenhouse gases have contributed to a gradual warming of the ecologically-fragile Arctic region, causing massive climate changes, including melting glaciers and sea ice, according to a soon-to-be-released environmental study.
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Scientists find many regions on Earth that once had permanent frozen ground are now experiencing a thaw.
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Experts warn the risk of a deadly heatwave in the UK is high - but global warming may actually save lives.
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British scientists find global warming is melting the ice of Antarctica faster than  previously thought.
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8 November 2004 - The Arctic climate is warming rapidly, much larger changes are in store due to increasing concentrations of greenhouse gases from human activity and the global impact such as rising sea levels will be âstaggering,â presenting one
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CNET News.com's Charles Cooper says there may be good reasons why we donÂt want to know about global warming. But time is running short.
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A large network of waterways helps carry ice from the center of Antarctica to the ocean, scientists say, in a finding that may help clarify how global warming will affect the world's sea levels.
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'Six Degrees Could Change the World,' presented by National Geographic, looks at the impact global warming could have on the world's most fragile â and remote â locales.
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GARMISCH-PARTENKIRCHEN, Germany  - Global warming  is more than just a theory to Germany's most famous winter  resort, where a worrisome shortage of snow in recent decades  has forced the Alpine village to reinvent itself.
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WASHINGTON: Greenhouse gases have contributed to a gradual warming of the ecologically-fragile Arctic region, causing massive climate changes, including melting glaciers and sea ice, according to a soon-to-be-released environmental study.