Four issues of this newsletter focus primarily on the use of communication technologies in developing nations to educate their people. The issues included in this collection are: (1) No. 64 (1989-1), which features reports on the use of local radio for development; (2) No. 65 (1989-2), which focuses on environmental education, and includes articles on grassroots communication in a tree-planting campaign in Mexico, television for environmental education in India, environmental education in Latin America, communication about the use of pesticides in Nicaragua, and a global report on population and environment; (3) No. 66 (1989-3), which includes articles on popular video for rural development in Peru, new tools for training at a distance, re-orienting artists and copywriters for producing visual communication materials for rural audiences, vocational training in Honduras, and the use of interactive radio to teach health in Bolivian elementary schools; and (4) No. 67 (1989-4), which addresses itself to the current use of information technology in development, and includes articles on desktop publishing in Honduras and computer programs to transmit data to policy makers. This issue also includes a subject index for issues 55 through 67. Reviews of recent publications and announcements of development-related conferences and courses are included in individual issues. (GL)