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cal04 Donating Member (1000+ posts) Send PM | Profile | Ignore Sun Jan-28-07 11:47 PM
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Global Warming: The vicious circle
By Steve Connor, Science Editor

The effects of man-made emissions of carbon dioxide are being felt on every inhabited continent in the world with very different parts of the climate now visibly responding to human activity.

These are among the main findings of the most intensive study of climate change by 2,000 of the world's leading climate scientists. They conclude that there is now little doubt that human activity is changing the face of the planet.

In addition to rising surface temperatures around the world, scientists have now linked man-made emissions of greenhouse gases to significant increases in ocean temperatures, rises in sea levels and the dramatic melting of Arctic sea ice over the past 35 years.

A draft copy of the fourth report of the Intergovernmental Panel on Climate Change (IPCC) says that global temperature rises this century of between 2C and 4.5C are almost inevitable. Ominously, however, it also says that much higher increases of 6C "or more" cannot be ruled out.

The final version of the IPCC's latest report is to be published on Friday but a draft copy, seen by The Independent, makes it clear that climate change could be far worse than previously thought because of potentially disastrous "positive" feedbacks which could accelerate rising temperatures.

http://news.independent.co.uk/environment/article219367...


http://www.independent.co.uk/
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