Net Arctic Ice Cover Shrinking By Area Equal To Lake Superior Every Year

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Winnipeg — An extensive international study on the effects of climate change in the Arctic has reached some startling conclusions on issues ranging from how fast polar ice is melting to the impact on Inuit communities. About 120 scientists from 11 countries involved in the Canadian-led research project, which started in 2002, are meeting in Winnipeg this week to present and discuss their findings.

One of the most surprising for David Barber, a sea ice specialist at the University of Manitoba, was the fact polar ice is melting at a rate of about 74,000 square kilometres each year — an area about the size of Lake Superior — and has been for the last 30 years.

“This is a very significant result, and it's not some sort of trend that's going to shift back the other way,” Dr. Barber said Tuesday. Dr. Barber added there is increasing concern in the scientific community that there are factors actually speeding up the melt, but he cautions it's too late to reverse the trend. “The time to act actually was a few decades ago,” he said.

“We're not going to be able to shift the economies of the planet to get off this fossil fuel addiction in a week, a year or a decade. But we have to start the process now to have some stability for future generations.”

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