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An ice bridge connecting the massive Wilkins Ice Shelf to Antarctica has snapped. Scientists say the entire shelf is now at risk of collapsing and disappearing completely.

Hello I’m Charlotte Bellis and you’re watching Newsy.com

CNN looks at what this may reveal about global warming.

“We’re fairly confident this hasn’t happened for the last ten thousand years. It is a relatively recent phenomenon. And that makes it very likely that that’s a global warming amplification.” (CNN)

This coincides with the 50th anniversary of the signing of the Antarctica treaty.
It’s also center focus for U.S. Secretary of State Hillary Clinton...

“With the collapse of an ice bridge that holds in place the Wilkins ice shelf, we are reminded that global warming has already had enormous effects on our planet. And we have no time to lose in tackling this crisis.” (CNN)

New Zealand’s Dominion Post reports the break is the latest symptom of climate change.

"Antarctica is behaving in a very strange way, bits of it are cooling and bits of it are warming. Our deep time records tell us that these ice shelves are the early warning signals; when they go, then we see quite dramatic and unstable changes in the ice sheets and glaciers feeding them." (Dominion Post)

The UK’s Times Online explained that while scientists have been following the gradual breaking of the bridge since the 1990’s, the scientists did not expect the bridge to fully break for another 10 years.

“It’s a significant change in terms of the map of Antarctica. Charcot Island will be a real island for the first time in history.” (Times Online)

The BBC and Australia’s ABC News report the disappearance of the ice in Antarctica  could leave coastlines around the world vulnerable to rising sea levels...

“These ice shelves at the edge of the continent block glaciers behind them, so that when these break up and float away, there is a danger that the glaciers slip very quickly to the coast, and those are what increase sea level rise.” (BBC)

“A third of all Antarctic sea ice is likely to melt, removing the buffers restraining giant glaciers from sliding into the ocean, which in turn, could mean sea level rises of up to six meters all by the end of the century.” (ABC News)

Secretary of State Clinton is hosting 400 diplomats, scientists and experts from 47 countries in a meeting to discuss Antarctica over the next 10 days.

Do you think what’s happening to the Wilkins Ice Shelf is a sign of global warming? Should more research be done into what is happening in Antarctica?
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Antarctic Anxiety

April 7, 2009
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An ice bridge connecting the massive Wilkins Ice Shelf to Antarctica has snapped. Newsy.com looks at the impact it might cause to the Earth.
   
Sources:CNNDominion PostTimesOnlineBBCABC Australia
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