Hikers stand at the base of Grinnell Glacier in Glacier National Park in Montana.  The water is from the melting glacier.  Scientists predict that if current global warming trends continue, many of the the park's glaciers will disappear.
Hikers stand at the base of Grinnell Glacier in Glacier National Park in Montana. The water is from the melting glacier. Scientists predict that if current global warming trends continue, many of the the park's glaciers will disappear.
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