States argue as Arctic thaw quickens

Global warming is set to accelerate in the Arctic and bring drastic change for people and wildlife in coming decades.

    The polar region is warming up faster than the rest of the world

    But the alarming findings of new study have divided countries in the region about how to slow down the thaw.

    "(The) Arctic climate is warming rapidly now and much larger changes are projected," according to the conclusions of the international study, compiled by 600 experts and due for release at a conference in Iceland in November.

    Rising temperatures will disrupt life for people, bringing more storms and destabilising everything from homes to oil pipelines.

    Melting glaciers could raise global sea levels and spoil habitats for creatures like polar bears, it says.
    Greenhouse gases

    The Arctic is warming faster than the rest of the world partly because sea water and dark ground, once exposed, trap far more heat than ice and snow which reflect the sun's rays.

    Coastal communities face an
    increasing risk of storms

    The report's draft summary says the rise in temperatures is being stoked by human emissions of greenhouse gases, mainly from burning fossil fuels in cars, factories and power plants.

    Arctic temperatures could surge by 4-7 Celsius or roughly double the rate predicted by UN studies for the planet as a whole by 2100, it says.

    But nations in the Arctic region - the United States, Russia, Canada and Nordic countries - are sharply divided about how to act on the scientists' conclusions, with

    Washington opposed to any major initiatives, diplomatic sources say.

    US reluctance

    Nordic countries see the study as alarming evidence that the world should act to cap emissions of greenhouse gases like carbon dioxide from fossil fuels.

    George Bush says ratifying the
    Kyoto protocol will be too costly 

    But US President George Bush is an opponent of caps and pulled out of the UN's stalled Kyoto protocol in 2001, the main global plan for limiting emissions.

    He said Kyoto would be too costly and wrongly excluded developing nations.

    Ministers from Arctic nations are to meet in Iceland in November, after the report is issued, to agree recommendations.

    Global effect

    Among conclusions, the Arctic Climate Impact Assessment (ACIA) says the warming in the Arctic will "have worldwide implications".

    Run-off from melting glaciers and the Greenland icecap could raise global sea levels and disrupt ocean circulation, it says. And biodiversity elsewhere could be affected because some migratory species breed in the Arctic.

    The report also says "Arctic vegetation zones are projected to shift, bringing wide-ranging impacts" and that "animal species' diversity, ranges and distributions will change, some dramatically". 

    And indigenous peoples would face major economic and cultural impacts, it says. Ultraviolet radiation - known to cause skin cancer and immune system disorders in humans - would also rise sharply.

    SOURCE: Reuters


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