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CC: More On Exeter Conference

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    NHNE News List Current Members: 1110 Subscribe/unsubscribe/archive info at the bottom of this message. NHNE Climate Change Reference Page:
    Message 1 of 1 , Jan 31, 2005
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      NHNE News List
      Current Members: 1110
      Subscribe/unsubscribe/archive info at the bottom of this message.

      NHNE Climate Change Reference Page:
      http://www.nhne.com/climatechange/

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      GLOBAL WARMING: GRIM NEWS EXPECTED FROM SCIENTISTS' COUNCIL OF WAR
      AFP
      January 31, 2005

      http://www.channelnewsasia.com/stories/afp_world/view/129989/1/.html

      PARIS - World experts gather next week for the biggest scientific assessment
      in four years of Earth's global warming crisis, and the conclusions they
      will reach are likely to be depressing.

      New evidence put forward by leading scientists will add pieces to a mosaic
      of evidence which suggests the climate crunch is heading our way faster, and
      with a harsher outcome, than previously thought.

      The three-day conference, running from Tuesday to Thursday in the
      southwestern English city of Exeter, is bound to have a wide political
      impact.

      It will add the objective weight of science to the political pressures on
      Washington to help curb carbon pollution.

      It comes just before the UN's Kyoto Protocol -- the greenhouse-gas treaty
      fiercely opposed by President George W. Bush -- is due to take effect on
      February 16.

      Bush's isolation on this issue is particularly poignant, for the Exeter
      meeting is a pet project of his closest ally, British Prime Minister Tony
      Blair, who is pushing for action on global warming in the Group of Eight
      (G8), chaired by Britain this year.

      The scientists, hailing from 30 countries, will give a state-of-play about
      knowledge and try to define what is a dangerous level of global warming but
      not offer advice to policymakers on how to combat it, conference chairman
      Dennis Tirpak said.

      "The next 25 years are quite critical as to what will happen over the next
      century," he said. "(...) The conference will try to collect the best
      evidence it can."

      The last big scientific review of the evidence was in 2001, when the UN's
      Intergovernmental Panel on Climate Change (IPCC) gave birth to a magnum
      opus.

      That landmark report -- due to be updated in 2007 -- crushed the last doubts
      among the majority of scientists that carbon gases, spewed by oil, gas and
      coal, are trapping solar heat and causing the Earth's surface to warm.

      But the IPCC said there remained much uncertainty as to how fast this would
      happen, exactly how the climate system would be affected and which regions
      would be hit most.

      It cautiously calculated that by 2100, temperatures would rise by between
      1.4 C (2.5 F) and 5.8 C (10.4 F) compared to 1990 levels, according to
      whether carbon dioxide (CO2) levels in the atmosphere doubled or nearly
      quadrupled from pre-industrial levels.

      The sea level would rise by between nine and 88 centimetres (four and 35
      inches) according to the CO2 scenario cited by the IPCC.

      In the past five years, the IPCC's margin of uncertainty has narrowed,
      eroded almost weekly by new studies that appear in Science, Nature and other
      prestigiouis journals.

      "People are starting to realise that the higher end of climate-change
      scenarios are now possible," said Chris Jones, a researcher at the British
      Met Office's Hadley Centre, which is hosting the talks.

      "Indeed, it's fairly accepted now, as every year goes by, that we are
      already seeing changes" in the climate system, he said.

      Referring to a heatwave that scorched Europe in 2003, Jones said, "By the
      middle of this century, 2003 summers are going to be the norm, and by the
      end of this century, it's probably going to be considered a cold summer. It
      is frightening stuff."

      The latest studies, some of which will be submitted in Exeter, suggest the
      clock is ticking faster than thought.

      One piece of research will suggest that just 15 years are left to ensure
      that atmospheric CO2 pollution will be stabilised by the end of the century
      at 550 parts per million (ppm), twice that of the pre-industrial age.

      At present, the level is 379ppm, which seems reassuringly far from 550ppm.

      But it is rising quickly as China and India, which have huge populations,
      gobble up fossil fuels to power their fast-growing economies and America,
      the biggest single polluter, maintains its rivers of gas-guzzling cars.

      Even if this 550ppm target is reached, the climate system may still be
      wrecked, according to the latest calculations.

      A study of more than 2,000 computer models suggests that 550ppm will crank
      up temperatures by nearly two C (3.6 F) and more than 11 C (19.8 F).

      In the latter part of this range, ice caps would shrink, glaciers melt and
      droughts, floods, El Ninos and hurricanes could become commonplace.

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      SCIENTISTS GATHER IN UK TO DISCUSS CLIMATE CHANGE (1/31/2005):
      http://groups.yahoo.com/group/nhnenews/message/8790

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