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Environmental Studies Unit Name:   Environmental Studies Director of The Environmental Council:   William C. Sullivan Council Office:   350 National Soybean Research Center, 1101 West Peabody Drive, Urbana, 333-4178 If you have questions about these classes or their descriptions, please contact the department or unit listed above. See the Courses Catalog Index for more information on the Catalog. ENVST 141.   Introduction to Energy Sources ENVST 160.   Comparative Environmental History: People, Crops, and Capital ENVST 180.   Natural Disasters ENVST 210.   Economics of the Environment ENVST 218.   The Politics of Environmental Protection ENVST 236.   Tomorrow's Environment ENVST 241.   Introduction to Radiation Protection ENVST 250.   Seminar in Environmental Studies ENVST 273.   Presenting Environmental Information ENVST 275.   Environmental Communications ENVST 280.   Environmental Geology ENVST 283.   Introductory Ecology for Educators ENVST 298.   Special Topics in Environmental Studies ENVST 299.   Individual Studies of Environmental Topics ENVST 317.   Natural Resources Economics ENVST 320.   Conservation Biology ENVST 331.   Toxic Substances in the Environment ENVST 332.   Genetic Toxicology ENVST 333.   Pesticide Toxicology ENVST 341.   Regional Environmental Management Simulation ENVST 344.   Social Impact Assessment ENVST 345.   Communication in Environmental Social Movements ENVST 347.   Environmental Sociology ENVST 348.   Atmospheric Chemistry ENVST 349.   Basic Toxicology ENVST 350.   Environmental Studies Workshop ENVST 351.   Environmental Organic Chemistry ENVST 369.   Environmental Health ENVST 374.   Principles of Epidemiology ENVST 380.   Current Problems in Environmental Geology ENVST 414.   Neurotoxicology ENVST 416.   Developmental Toxicology ENVST 427.   Statistical Techniques in Epidemiological Research ENVST 440.   Public Involvement in Resource Management and Environmental Planning ENVST 449.   Techniques and Instrumentation in Air Sampling ENVST 463.   Natural Resource Economics ENVST 464.   Environmental Economics: Theory and Applications ENVST 496.   Interdisciplinary Toxicology Seminar