The United Nations Association of the United States of America is a not-for-profit membership organization dedicated to building among the American people understanding of and support for the ideals and vital work of the United Nations System. Its educational and humanitarian campaigns, including teaching students in urban schools, clearing minefields and providing school-based support for children living in HIV/AIDS-affected communities in Africa, allow people to make a global impact at the local level. In addition, its policy and advocacy programs stress the importance of nations working together and the need for United States leadership in the United Nations. The UNA-USA has approximately 175 Chapters located throughout the 50 states. The association is affiliated with the World Federation of United Nations Associations.