Colleges and universities have increasingly embraced sustainable building practices. At the same time, campus architectural language and heritage are recognizable attributes of institutional identity--features to be preserved and often influencing guidelines for new development. This session will examine the impact of sustainable strategies on built form, contrasting an overt example, the Philip Merrill Education Center for the Chesapeake Bay Foundation with the New Academic Building for St. Mary's College of Maryland, in a unique 18th century architectural context.