RILEY E. DUNLAP is Boeing Distinguished Professor of Environmental Sociology at Washington State University. A past Chair of the American Sociological Association's Section on Environmental Sociology and Past President of the International Sociological Association's Research Committee on Environment and Society, he was also recently elected a Fellow of the American Association for the Advancement of Science in recognition of his contributions to the field of environmental sociology.WILLIAM MICHELSON is S.D. Clark Professor of Sociology at University of Toronto, where he is also currently Associate Dean for the Social Sciences in the Faculty of Arts and Sciences. He is co-editor of Housing and Neighborhoods: Theoretical and Empirical Contributions (Greenwood, 1987). In 1994, he was elected to membership in the Royal Society of Canada.