The opening of the Arctic Ocean poses both challenges and opportunities for the North American Arctic (NAA) — Greenland, Nunavut, the Northwest Territories, Yukon and Alaska. In March 2017, CIGI and the Woodrow Wilson International Center for Scholars hosted an inaugural leaders' summit in Washington, DC, to stimulate discussion about ways to enhance east-to-west collaboration and partnerships in the NAA among subnational, Indigenous and local governments in addressing issues of common concern, including infrastructure planning.