[AI] Yahoo News: World Wildlife Fund says Arctic ice melting faster than predicted
arpit_rke at yahoo.co.in
Thu Apr 24 09:59:50 EDT 2008
World Wildlife Fund says Arctic ice melting faster than predicted
Thu Apr 24, 4:46 AM ET
MONTREAL (AFP) - Arctic sea ice is melting "significantly faster" than
predicted and is approaching a point of no return, conservation group the
World Wildlife Fund (WWF) warned in a new study.
The volumes of the Greenland Ice Sheet and ice in the Arctic Ocean were
estimated at 2.9 million and 4.4 million cubic metres respectively in
September 2007 -- the lowest ever levels recorded, the organization said
The sea ice shrank to 39 percent below its 1979-2000 mean volume, it said.
"Recently observed changes are happening at rates significantly faster than
predicted" by the 2005 Arctic Climate Impact Assessment (ACIA) and last
year's report by the Intergovernmental Panel on Climate Change (IPCC), WWF
The melting of arctic sea ice and the Greenland Ice Sheet was happening so
fast that experts were now questioning whether the situation is close to
"tipping point," where sudden and possibly irreversible change takes place.
"When you look in detail at the science behind the recent Arctic changes it
becomes painfully clear how our understanding of climate impacts lags behind
the changes that we are already seeing in the Arctic," said Martin
Sommerkorn, one of the authors of the report.
The WWF will present its report, comprised of the latest research in the
region, to the meeting Thursday of the Arctic Council, which groups Canada,
Denmark, Finland, Iceland, Norway, Russia, Sweden, and the United States.
The conservation group's researchers also warned of the devastating effect
the rapid melting of the arctic ice could have on polar bears in Canada,
where two thirds of the world's population of the animals live.
"Previous models had predicted that melting sea ice would mean some polar
bear populations could become extinct by 2050. The new evidence points to
even earlier regional extinctions," said Peter Ewins, director of species
conservation at WWF-Canada.
The Committee on the Status of Endangered Wildlife in Canada will present
the government with its estimates of the status of polar bears there on
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