Roger Coppock wrote:
Huge Chunk Of Antarctic Ice Collapses
Global Warming Blamed For Ice Shelf Collapse That Puts Larger Area At
Risk

Please see:
ttp://www.cbsnews.com/stories/2008/03/25/tech/main3968165.shtml

This without context means nothing.

To establish a relevant context, please describe:

- average rate of ice movement in this area at this time of year

- history of rate of ice movement in this area at this time of year

- average amount of ice shed each year

- history of amount of ice shed each year