International scientific cooperation in the Arctic is undoubtedly the most important tool for deep and comprehensive knowledge of large-scale changes in nature and climate occurring both in the mainland part of the macroregion and in the Arctic seas. The analysis of their dynamics shows that these changes are increasing and have a growing impact on the territories of Russia, the United States (Alaska), Canada, Denmark (Greenland), Iceland, Norway and the waters of the seas and oceans that surround these countries.