World's largest ice sheet melting faster than expected
East Antarctic sheet shedding 57bn tonnes of ice a year and contributing to sea level rises, according to Nasa aerial survey
The world's largest ice sheet has started to melt along its coastal fringes, raising fears that global sea levels will rise faster than scientists expected.
The East Antarctic ice sheet, which makes up three-quarters of the continent's 14,000 sq km, is losing around 57bn tonnes of ice a year into surrounding waters, according to a satellite survey of the region.
Read more on the Guardian article at http://www.guardian.co.uk/environment/2009/nov/22/east-antarctic-ice-sheet-nasa
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