Presents the science of preserving biodiversity and sustaining the earth. The course draws on and synthesizes information from the fields of ecology, evolution, genetics, philosophy, economics, sociology and political science. Emphasis is placed on the development of strategies for preserving populations, species, biological communities and entire ecosystems in the face of growing human populations and their impact on the environment. The course brings scientific principles and theory to bear on problems of management for preserving the richness of life on earth. This course is an elective for Biology majors. Prerequisite: BIOLOGY 351 (Ecology). Three hours of seminar per week. Not offered every semester.