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On the Rocks
The surface area of Glacier National Park’s Sperry Glacier has decreased 75 percent since 1850, when Glacier National Park featured 150 glaciers. In 1968, global warming had reduced that number to just over 50. By 1998, the park had 27 glaciers; that number remains the official count as of today. Scientists predict the park will be glacier-less by 2030.
photos courtesy of the Extreme Ice Survey
Uploaded: Feb 18, 2010 |
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