Before and After Photos of Montana's Disappearing Glaciers
Glacier Facts
About 10 percent of Earth's land is covered with glaciers.
During the last Ice Age, glaciers covered 32 percent of land.
Glaciers store about 75 percent of the world's fresh water.
Antarctic ice is more than 2.6 miles (4,200 meters) thick in some areas.
If all land ice melted, sea level would rise approximately 230 feet (70 meters) worldwide.
SOURCE: NOAA
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