GLACIER NATIONAL PARK, Mont. — What will they call this place once the glaciers are gone? A century ago, this sweep of mountains on the Canadian border boasted some 150 ice sheets, many of them scores of feet thick, plastered across summits and tucked into rocky fissures high above parabolic valleys. Today, perhaps 25 survive.

In 30 years, there may be none.

A warming climate is melting Glacier’s glaciers, an icy retreat that promises to change not just tourists’ vistas, but also the mountains and everything around them.

Source: The New York Times

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