Glacier collapses
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Glacier collapse as satellites reveal sudden ice melt

Nasa has said satellites have recorded what it calls "unprecedented" surface melting in Greenland.

Scientists do not yet know if this a rare natural event or due to global warming.

It comes after a boat owner narrowly escaped a glacier collapse there two weeks ago.

Julie Peacock reports.

  • 25 Jul 2012
  • From the section Europe
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