international atomic energy agency aand the world health organization The International Atomic Energy Agency and the World Health Organization, sponsored by the International Atomic Energy Agency and the World Health Organization. jointly organized by the International Atomic Energy Agency and the World Health Organization. a joint undertaking by the International Atomic Energy Agency and the World Health Organization. the International Atomic Energy Agency and the Food and Agriculture Organization of the United Natio organized by the International Atomic Energy Agency and the World Health Organization and held in Vienna, 8-12 Dec., 1975. organized by the International Atomic Energy Agency and the OECD Nuclear Energy Agency. International atomic energy agency and international legal control on the nuclear energy utilization sponsored by the International Atomic Energy Agency and the Food and Agriculture Organization of the United Nations.