This is an interactive educational disc, intended for use in science classrooms, for grades 5 through 12. It is a course dealing with environmental issues such as water and air pollution, the greenhouse effect, development and overpopulation, waste disposal, habitat destruction, etc. The lessons teach students about challenges facing the environment, and possible solutions to these problems. It is packaged in a box set with a 169-page teachers' guide. Side 1 CAV. The publisher is Scholastic Software.