The first-and only-source to integrate the multiple disciplines and professions exploring the many ways people interact with the natural and designed environments in which we live. * 250+ entries on topics such as eating disorders, AIDS and other sexually transmitted diseases, peer group relations, and transitioning to young adulthood * A diverse group of contributors from the fields of architecture, biology, geology, sociology, psychology, urban planning, and more * Illustrations and photographs to enhance the coverage * Biographies of major people in the field