Environmental scientists study and analyze the physical and biotic components of the environment, determine the impact of humans on ecosystems, develop strategies and plans to mitigate negative natural and human impacts, protect human and natural environments, and restore natural systems. The Environmental Science program provides interdisciplinary scientific preparation for students wishing to pursue knowledge and employment in the fields of environmental research, consulting, and oversight. Additional objectives of the program include provision of sufficient preparation for graduate studies in environmental sciences and allied fields and partial satisfaction of the Single Subject Matter Preparation Program for a teaching credential in science. The Bachelor of Science degree major in Environmental Science is an interdisciplinary program of study in the Department of Earth and Environmental Sciences with faculty participation from the Department of Biological Sciences (Undergraduate), Department of Chemistry and Biochemistry (Undergraduate), and Department of Anthropology, Geography and Environmental Studies (Undergraduate). In contrast to the B.A. degree major in Environmental Studies, the B.S. degree major in Environmental Science requires students to take a structured core of science courses from a variety of physical and life science disciplines, as well as a specialized upper division option in life science, physical science or environmental systems and resource management.