United Nations agencies and other intergovernmental and nongovernmental organizations concerned with environmental education (EE) met for the third time by invitation of UNESCO in order to develop cooperation and coordination in EE and training among the agencies. This report of the meeting is presented in three sections. The first section reports the proceedings of the conference. The second section gives the history of the UNESCO-UNEP International Environmental Education Program (IEEP) from 1975-1990. The section includes a description of IEEP's general framework, actions taken by IEEP from 1975-1990, and future actions planned. Priority areas reflected in the future plans include teacher education, development of curricula and teaching materials, research and experimentation to develop awareness among educational planners and decision-makers, EE information. The third section presents summaries of presentations of 10 participating organizations: (1) United Nations Environment Programme; (2) Food and Agricultural Organization; (3) International Labour Office; (4) United Nations Industrial Development Organization; (5) World Health Organization; (6) World Meteorological Organization; (7) World Bank; (United nations Development Programme; (8) Commission of the European Communities; (9) International Council of Scientific Unions; and (10) International Union for the Conservation of Nature and Natural Resources. Appendices contain a copy of the agenda, the welcoming address from Colin N. Power, Assistant Director-General of UNESCO's Education Sector, and a list of participants. (MDH)