When the Chicago City Council last week passed an ordinance to reduce emissions from construction equipment working on city jobs, it touched on a larger problem: harmful amounts of diesel exhaust in the city. Journalist Kari Lydersen found troubling emission levels in some neighborhoods.
Gregory Evans is founder and director of the Institute for Bio-Security at the St. Louis University School of Public Health. The institute is funded by the Centers for Disease Control and Prevention for public health preparedness. Evans is a professor of environmental health and has over 20 years of experience in environmental epidemiology. He has authored over 60 publications, made numerous national presentations, and consults nationally on civilian biodefense issues.
