Greenland is the largest island in the world, with an area of ​​2 million square kilometers, and it is self-governing under Danish sovereignty as it has its own government and parliament. Denmark contributes two thirds of the Greenland budget, while fishing activity funds the rest of the budget. The potential riches of gas, oil and minerals attract companies operating in these areas to the island. The island has a permanent two-month day of the year, and the ice covers about 80 percent of its area. The ice is melting at a rapid rate in Greenland Global warming has raised fears of rapid melting of snow in the Arctic, making it easier to access the island's mineral resources. The island has a population of only 57,000, and Christianity is their main religion. They speak Danish and Greenland, and suffer from social problems including alcoholism due to the long harsh winter. Denmark's Margaret II is the head of state, while the head of the local government, Kim Kelsen, has been in office since 2014 and is a former police officer. Greenland has long been viewed by the United States as a strategic mission, with a radar station in Thuwal at the start of the Cold War.