Ice Shelf Break Up Ominous Sign
The largest ice shelf in the Arctic has broken up, Canada and the U.S. announced on Monday. The Ward Hunt Ice shelf has been a feature of the polar cap for at least 3,000 years. It has broken up as a result of the exceptionally hot summer of 2003, and will now turn into a large number of icebergs, which will drift south and melt over the next two or three years. The last time this happened, it was the beginning of an ice age that lasted for 2,000 years.read more