This course offers an introduction to the chemical basis of environmental issues and the environmental consequences of modern technology, with particular emphasis on air and water pollution. Topics include fossil fuels, nuclear power and solar energy, ozone depletion and the greenhouse effect, pollution and toxicology of heavy metals and pesticides, and environmental impact statements. These topics will be developed through lectures, discussions and class demonstrations. This course is required for the Environmental Studies Concentration. No prerequisite. Offered every two years.