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Source: CNN March 29, 2008 By Marsha Walton

Ice shelf collapse: What does it mean?

Scientists look at how reducing ice cover affects the entire food chain.
Here is an Excerpt:

" According to the U.S. National Snow and Ice Data Center, in the past 50 years, the western Antarctic peninsula has undergone the biggest temperature increase on Earth: up .9 degree Fahrenheit, or .5 degree Celsius, in each of the past five decades. How the ice is disappearing »