This guide for elementary and middle school teachers, curriculum specialists, and administrators answers 40 questions most frequently asked about global concerns and the work of the United Nations. Topics include the importance of teaching about the world and the United Nations; the need for beginning international understanding in the home; themes, problems, and area studies; methods and skills for studying international affairs; improving teacher education; resources; and research and evaluation. Specific questions refer to the study of water as an approach to world affairs, teaching about Africa and Asia, using art and music programs to foster the global dimension of education, effective use of resource persons, and simulation games. Other topics are international exchange programs, pen pals, overseas opportunities for teachers and students, bibliographies, and audiovisual materials. (KC)