Arctic Circle level, although in mountainous regions there is often no direct view of the true horizon. Only four million people live north of the Arctic Circle due to the severe climate; nonetheless, some areas have been settled for thousands of years by indigenous peoples, who today make up 10% of the region's population. Tens of thousands of years ago, waves of people migrated from eastern Siberia across the Bering Strait into North America to settle. The largest communities north of the Arctic Circle are situated in Russia, Norway and Sweden: Murmansk (population 307,257), Norilsk (175,365), Tromsø (71,295), Vorkuta (59,231) and Kiruna
Arctic Circle (organization) NGOs” who have worked with the United Nations in the climate change endeavors, he urged Arctic Circle Assembly participants to ensure that indigenous peoples, their rights and their sociocultural contributions, remain central as we address these shared challenges. As part of its mission, the Arctic Circle aims to convene "as many international partners as possible to interact under one large 'open tent,'" as well as to "support, complement and extend the reach of the work of the Arctic Council by facilitating a broad exchange of ideas and information." In contrast, the Arctic Council, an intergovernmental body established in 1996, includes