Glacial ice often appears blue as in this picture of the Alaskan Mendenhall glacier from May 2011. The reason is that
Why is glacier ice blue? - Woods Hole Oceanographic Institution
Coordinated action urgently needed to face rapid polar changes
Ice shelves hold back Antarctica's glaciers from adding to sea levels – but they're crumbling
Blue Glaciers, Blue Icebergs and the Antarctic Museum of Modern
Basic Information - Glacier Bay National Park & Preserve (U.S. National Park Service)
Why Are Some Glaciers Blue?
Glaciers & Ice Sheets - Woods Hole Oceanographic Institution
Why is glacier ice blue?
Blue Glaciers, Blue Icebergs and the Antarctic Museum of Modern
Blue iceberg - Wikipedia
What is an ice shelf?
Blue ice (glacial) - Wikipedia
Blue Glaciers, Blue Icebergs and the Antarctic Museum of Modern
