Huge chunk of the Petermann Glacier broke off of Greenland in 2010 and have mostly melted away while stunning scientists by the shear size of the event. The chunk of ice that melted was 4 times the size of Manhattan. Apparently nothing of this scale has ever happened in Greenland as far back as the recorded history. Scientists are worried that another chunk 2 times the size of Manhattan is going to be next. Scientists estimate that Greenland's ice sheet is melting at a staggering rate of 400 billion tons per year. And in the 10 year span between 2000 and 2010 nearly 600 square miles of ice have melted.
So when should we start worrying? Who knows, but sooner might be better then later or before it is too late. With this much fresh water getting dumped into the oceans who knows when we might hit the critical desalinization point or what it will do to the ocean currents and consequently our weather. Check out the movie The Day After Tomorrow to find out what happens next.
[Yahoo News]
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