A portion of Greenland
is above the circle. Just like it is in Alaska. He may be speaking of that region becauses part of of the work is the US controlling certain areas of Greenland.
AI Overview
Greenland's Arctic region is characterized by its vast ice sheet, tundra landscapes, extreme cold, and limited, mostly coastal, population, with the northernmost land (Kaffeklubben Island) located here; it's a land of glaciers, unique wildlife, and Inuit culture, facing challenges from climate change that open new trade routes but threaten its environment.