Greenland is closer than you thinkThere is a certain clarity to the air in Nuuk, Greenland's capital, that feels almost medicinal. As I stepped off the plane, my lungs expanded in a way they rarely do in cities. Perhaps it's helped by Greenland's small population of just 56,700 people, nearly 20,000 of whom live in Nuuk.Despite being part of the Kingdom of Denmark, Greenland operates with a high degree of cultural autonomy. Kalaallisut is the of…