This 2007 photo released by Extreme Ice Survey shows James Balog installing a "cliff" camera at Columbia Glacier in Alaska for the film, "Chasing Ice." The film, about climate change, follows Balog ... more 
This 2007 photo released by Extreme Ice Survey shows James Balog installing a "cliff" camera at Columbia Glacier in Alaska for the film, "Chasing Ice." The film, about climate change, follows Balog across the Arctic as he deploys revolutionary time-lapse cameras designed to capture a multi-year record of the world's changing glaciers. (AP Photo/Extreme Ice Survey) less 
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Associated Press | Photo By Extreme Ice Survey
Mon, Nov 5, 2012 3:45 PM EST