Photo: No More Glaciers in Glacier National Park by 2020?



The Grinnell Glacier in Montana's Glacier National Park is seen around 1940, top, and 2004, bottom.

Previous estimates said that the glaciers of Montana's Glacier National Park would be gone by 2030. New data released in March 2009, however, suggest that the ice mountains will disappear by 2020.

Top photograph: public domain via Associated Press; bottom photograph: Karen Holzer/USGS via Associated Press


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