Green chemistry uses and produces chemicals and chemical processes that reduce waste products and have nontoxic components and improved efficiency, thereby reducing or eliminating negative human and environmental impacts. Paul Anastas, director of the Center for Green Chemistry and Green Engineering at Yale University, is credited with establishing the field itself while working for the EPA. He is also the author (with John Warner) of Green Chemistry: Theory and Practice, which takes a broad view of the subject and integrates a wide variety of approaches, touching on the design of safer chemical products, new reaction conditions, alternative solvents, and more. Dr Anastas’ visit to Seattle is sponsored by the UW Department of Environmental and Occupational Health Sciences, School of Public Health, which is working to build capacity for researching, teaching, and implementing principles of green chemistry in Washington state. Presented by Town Hall as part of The Seattle Science Lectures, in partnership with UW DEOHS, Sustainable Path Foundation, and WA Toxics Coalition. Series sponsored by Microsoft. Series media sponsorship provided by KPLU.