What is the northern circumpolar region?

The northern circumpolar region refers to the area surrounding the North Pole, encompassing parts of several countries, including Canada, Russia, Greenland, Norway, and the United States. This region is characterized by its Arctic climate, unique ecosystems, and indigenous cultures. It includes vast expanses of tundra, sea ice, and polar habitats, making it significant for biodiversity and climate studies. Additionally, the northern circumpolar region plays a crucial role in global climate regulation and is increasingly impacted by climate change.