The country’s 10th national park, Montana’s Glacier preserves 1 million acres of glacier-carved peaks and valleys, pristine turquoise lakes and streams, and dense ancient forests for all to enjoy. Glacier National Park is a part of the world’s first international peace park. The vision for a park was to celebrate peace and friendship between the United States and Canada. Glacier has welcomed over 100 million visitors to the park. The park’s annual visitation has been rising over the past five years, hitting a record high of 2,946,681 in 2016.

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The Mendenhall Glacier is a tongue of ice stretching 12 miles from the Juneau Icefield to Mendenhall Lake. At its widest point, the glacier is more than a half mile wide, with ice 300 to 1,800 feet deep. Rising global temperatures have caused the glacier to start melting—it has receded by about two miles since 1958. Water has carved caves into the interior, creating surreal, turquoise-toned worlds whose shapes are ever changing. The caves are spacious cavities in the blue ice.

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Perito Moreno is one of the most visited tourist attractions in the Argentinean Patagonia. Glacier is located in the Los Glaciares National Park, Argentina. It is one of 48 glaciers located in the Andes, near the limits between Santa Cruz province and the Chilean frontier. The glacier is 97 square miles (250 sq km) and measures 19 miles (30 km) in length. It measures 3 miles (5 km) wide with a total ice depth of 558 feet (170 m). The deepest part of the glacier measures 2,297 feet (700 m). A huge glacier that is still moving and growing at the same time.

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Arctic climate is now rapidly warming, so Greenland Ice Sheet shrinks faster. Greenland’s ice sheet, which is two-miles thick and covers an area about the size of Mexico, has lost mass at an accelerated rate over the last decade. Glaciers in west Greenland are melting 100 times faster at their end points beneath the ocean than they are at their surfaces, according to a NASA/university study. It is caused by warmer ocean waters. This reason is a dominant factor in the current evolution of Greenland’s glaciers.

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