Greenland (both larger) are generally considered to be continental landmasses rather than islands. Three-quarters of Greenland is covered by the only permanent ice sheet outside Antarctica. With a population of about 56,480 (2013), it is the least densely populated territory in the world. About a third of the population live in Nuuk, the capital and largest city. The Arctic Umiaq Line ferry acts as a lifeline for western Greenland, connecting the various cities and settlements. Greenland has been inhabited off and on for at least the last 4,500 years by Arctic peoples whose forebears migrated there from what is now Canada.
Nuuk Airport Rough weather in the region is cited as life-threatening to larger airplanes, given the additional difficulty of approach in a mountainous region. After 2010 there are no aircraft that can be purchased, which have more than 30 seats and can use short runways like Nuuk. When the existing Dash-8 200 retire or more aircraft are needed, a longer runway is necessary. Another suggested alternative, is to build a new airport on one of the islands of Angisunnguaq or Qeqertarssuaq, locations having less turbulence, and allowing runway needed for the large planes used today to Denmark. These are located a few