As the president-elect's call to buy—or take—a sovereign country moves from punchline to possibility, a look at the real stakes of the Arctic’s mounting cold war.

"For purposes of National Security and Freedom throughout the World, the United States of America feels that the ownership and control of Greenland is an absolute necessity," Trump wrote on Truth Social.

Donald Trump wants Greenland. The vast, sparsely populated Arctic island has been under Danish control for 300 years, but back in 2019, when he was last president, he floated the idea of buying it. He recently reiterated that,