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NOVA

Extreme Ice

The apparent acceleration in the melting of glaciers and ice sheets is documented through the efforts of photojournalist James Balog, who places time-lapse cameras in 26 alpine and arctic locations, including Alaska and Greenland. The long-term consequences of the melt: sea levels would rise by some 200 feet and force massive numbers of people---from Bangladesh to Florida---to move inland. Scientists Richard Alley (Penn State), Tad Pfeffer (UC-Boulder) and Jim White (UC-Boulder) are interviewed.