The objective of Project SCATE (Students Concerned About Tomorrow's Environment) is for students to investigate environmental problems and the political processes involved in their solution. The four identified areas of concern are: (1) land use policy development; (2) air and water quality; (3) energy allocation and consumption; and (4) economic considerations related to the quality of life. This document contains instructional units, including objectives and activities, centering around the four concerns. Unit titles are: (1) Identifying a problem; (2) Clearly stating a problem; (3) Determining testable and non-testable statements; (4) Generalizing; (5) Model Assembly; (6) Land Use; (7) Discovering a biological community; (8) Children's forest controversy; (9) Great swamp; and (10) Urban studies. (TM)