Dr. Lipfert is a consultant and retired member of the scientific staff of Brookhaven National Laboratory. He has degrees in mechanical and aerospace engineering and a Ph.D. in environmental studies. He is a member of the ACSH Board of Advisors. He has published numerous scientific papers and book chapters on air pollution effects, characteristics, and modeling. He is the author of Air Pollution and Community Health: A Critical Review and Data Sourcebook. He was a member of the National Research Council committee that reviewed the federal Department of Energy research on fine particulate matter.