This guide to resource materials on environmental education is in two sections: 1) Selected Bibliography of Printed Materials, compiled in April, 1970; and, 2) Audio-Visual materials, Films and Filmstrips, compiled in February, 1971. 99 book annotations are given with an indicator of elementary, junior or senior high school levels. Other book information includes: publisher, copyright date, price, and Dewey Decimal classification. Also listed in this section are six periodicals and some free and inexpensive materials such as pamphlets, government documents, and bibliographies. Audiovisual aids are also arranged by level: primary, intermediate, and junior or senior high school. This last section for secondary grades is subdivided into specific topics: 1) Man and Natural Resources, 2) Population Explosions, 3) Problems of the Cities, 4) Pollution, and 5) Relationship of Man to Communities. A brief content annotation is given as well as running time, color, producer, copyright data (when available), rental fee and film order number from the University of Minnesota. Appended is a list of nine additional Audiovisual Rental Sources and addresses of 27 film companies. (Author/JSB)