Dawn strikes the mountains rising above St. Mary’s Lake in Montana’s Glacier National Park. When the park was created in 1910, it had 150 glaciers. Now it has 30 glaciers, significantly reduced in size.

Many of the world’s freshwater glaciers are shrinking, as warming temperatures melt them away. Some have disappeared all together. The glaciers on both Mount Everest and Mount Kilimanjaro are among those glaciers noticeably decreasing as temperatures climb, causing lower-lying towns considerable worry.

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Photo gallery by Chelsea Lane-Miller