HOW ICEBERGS FORM
Discover the life cycles of these giant chilly chunks of glacial debris
WORDS AILSA HARVEY
In Earth’s polar regions, large sheets of ice cover extensive areas of land, such as in Antarctica, where 97.7 per cent of its surface area is covered by permanent ice. These icy landscapes might appear completely stationary, but they are actually made of slowly moving glaciers. Because these landscapes are tightly packed with snow, which over time creates dense ice, some of the largest glaciers can weigh 10 million