Related Clues:

• Cheese - it's developed white surface layer
• Extensive frozen layer over land
• Extensive frozen layer
• Would electric blanket melt it?
• I see the waves surrounding constant target of breakers?
• Extensive frozen area
• Something for the barman in the paper is really cool but needs to be avoided when driving
• It can float on frigid water
• Big part of Greenland
• It's full of grated cheese that's melting fast
• Antarctic mass
• Cheese -- it can form white layer
• Floater on the Arctic Ocean (2 words)