Among his duties at Dow was the preparation of three issues analysis on global warming, starting in 1988. In retirement Westbrook has continued to research, write and speak out on this issue. He is actively involved in various efforts to communicate the status of this issue and the rather embryonic nature of the sciences involved. Mr. Westbrook has published several dozen papers, essays, editorials, letters, and one book, on the status of the sciences, the inadequacy of computer models for policy formulation, on data quality, on the overall debate and on the politics involved. He has spoken at many professional organizations and presented seminars at the University of Houston and Rice University. He is also a senior associate at the Center for Energy Economics, University of Texas.
Mr. Westbrook is a member of the American Institute of Chemical Engineers and the International Association for Energy Economics. He is a past member of the American Association for the Advancement of Science, American Geophysical Union, the National Association of Business Economists and the Southwest Chemical Association.