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Global warming may be even hotter

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  • Mike Neuman
    Global warming may be even hotter By Deborah Smith Science Editor March 1, 2006 THE Intergovernmental Panel on Climate Change will warn the world s politicians
    Message 1 of 1 , Mar 1, 2006
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      Global warming may be even hotter
      By Deborah Smith Science Editor
      March 1, 2006


      THE Intergovernmental Panel on Climate Change will warn the world's
      politicians that the Earth's temperature could rise far higher in
      response to greenhouse gas emissions than previously thought.

      A secret draft version of the next report by the United Nation's
      influential panel of climate experts, to be given to governments in
      April, will say a reliable upper limit can no longer be put on how
      quickly the world will warm, according to the British newspaper The
      Guardian.

      Australian scientists said the reported warning reflected a growing
      body of recent research showing that climate change was occurring
      more rapidly than expected.

      Some computer models had forseen temperature increases of as much as
      11 degrees from a doubling of carbon dioxide levels in the
      atmosphere. The climate change panel had assumed a doubling of carbon
      dioxide levels would lead to a temperature rise of between 1.5
      degrees and 4.5 degrees.

      Dr Barrie Pittock, a retired CSIRO researcher and the author of
      Climate Change, Turning up the Heat, said models of climate change
      always involved a range of uncertainty, but the possibility of a
      large increase in temperature had to be taken very seriously. "If
      you're taking a risk-management approach and want to avoid what is
      disastrous you have got to go to the upper end of the range and avoid
      that," he said.

      Professor Ian Lowe, an environmental scientist and president of the
      Australian Conservation Foundation, said he hoped the report would
      convince the Australian Government of the seriousness of the issue
      because it was still listening to the "10 or 12 sceptics of the
      world".
      http://www.smh.com.au/news/science/global-warming-may-be-even-
      hotter/2006/02/28/1141095741142.html#
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