In places where it gets cold and snowy in winter, many meters of snow can fall. In some the following winter, adding a new layer to what was already there. Over hundreds to thousands of years, this process creates big sheets of ice called glaciers.
Can $500 Million Save This Glacier? - The New York Times
Princeton on Ice
Is glacier ice a type of rock?
Improving media coverage of climate science, MIT News
Is glacier ice actually rock? - Woods Hole Oceanographic Institution
Towing an Iceberg: One Captain's Plan to Bring Drinking Water to 4 Million People - Bloomberg
Glaciers & Ice Sheets - Woods Hole Oceanographic Institution
Woods Hole Oceanographic Institution on LinkedIn: #whoi #antarctica
Scientists Unlock Record of Ecosystem Changes Frozen in World's Glaciers
Unit 3: Warm with a chance of melting