Bruce Jennings, M.A., is Adjunct Associate Professor in the Department of Health Policy and the Center for Biomedical Ethics and Society, and he is Senior Fellow at the Center for Humans and Nature, a nonprofit research center based in Chicago that studies environmental ethics and policy. He came to Vanderbilt from the Yale University School of Public Health, where he taught ethics from 1996-2014. He also is Senior Advisor at The Hastings Center, where he served from 1991 through 1999 as Executive Director. In this episode we discuss his career and why his research has expanded from biomedical ethics to the ethical dimensions of climate change in recent years.