An aging walrus sits on a thin, melting platform of ice as it views from a distance the Greenpeace expedition vessel in this photo released by the environmental organization Wednesday 5th August 1999.... more 
An aging walrus sits on a thin, melting platform of ice as it views from a distance the Greenpeace expedition vessel in this photo released by the environmental organization Wednesday 5th August 1999. (EPA PHOTO/GREENPEACE) less 
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Yahoo News | Photo By EPA PHOTO/GREENPEACE
Fri, Sep 20, 2013 3:00 PM EDT