On the flag of this largest island, white represents the ice that covers about 80% of it
[DOC] [TLE] Flag of Greenland - Revolvy [PAR] He described the white stripe as representing the glaciers and ice cap, which 
cover more than 80% of the island; the red stripe, the ocean; the red .... 
Greenland is, by area, the world's largest island which is not a continent in its 
own right.