United Nations Association of the National Capital Area | 5,580 followers on LinkedIn. UNA-NCA works to build public knowledge, strengthen UN-US relations, and aid the UN in achieving its goals. | UNA-NCA is a not-for-profit membership-based organization that works with foreign policy and political decision-makers, schools of all levels, and other organizations in the National Capital Area to build knowledge, understanding, informed opinion, and new ideas on the United Nations, its specialized agencies, and its relationship with the United States. UNA-NCA works with the decision-makers at the United Nations and of the US as an incubator for new ideas on such issues as conflict resolution, nuclear non-proliferation, global health, and sustainable development to build public support for constructive US leadership in a more effective United Nations. Advocacy We meet with members of Congress and their staff to push for the ratification of essential treaties and resolutions.