Remote, icy and mostly pristine, Greenland plays an outsized role in the daily weather experienced by billions of people and in the climate changes taking shape all over the planet.
President-elect Donald Trump on Tuesday suggested he would consider using military force to gain control of the Panama Canal and Greenland, and "economic force" to acquire Canada.
Greenland's government says Donald Trump Jr. is visiting in a private capacity, so it won't discuss his presence as his father vows to make it part of the U.S.