Glacier.

Also known as the Crown of the Continent, or the Backbone of the World, Glacier National Park more than lives up to its superlative nicknames. The

Why is the Ice Blue? In Glacier Bay (U.S. National Park Service)

Melting Mountain Glaciers May Not Survive the Century

80% of mountain glaciers in Alberta, B.C. and Yukon will disappear within 50 years: report

Where To See Glaciers In South America

The ultimate guide to Perito Moreno Glacier in Argentina

Antarctica's 'Doomsday Glacier' May Be More Prone to Melting Than Expected

Glacier - Wikipedia

Glacier Talk

Scientists track rapid retreat of Antarctic glacier