Presented is a listing of approximately 700 institutions from around the world that are active in the field of environmental education. Information about each institution is drawn from a computerized network developed by Unesco's International Programme in Environmental Education to encourage the worldwide pooling of experience and information regarding environmental education, with particular reference to curricula, equipment, methods, and personnel training. Arranged alphabetically by country and then by organization, each entry includes the name of the institution, address, geographical coverage, working language(s), type of institution, fields of interest, functions, target groups, services, and publications or materials provided. Institutions are also cross-indexed according to three of the above items: fields of interest, functions, and target groups. (Author/DC)