Featured guests in 2009 were Holly Doremus, professor of law at the University of California at Berkeley; David Wilcove, professor at Princeton and expert on conservation; Paul Cryan, bat expert with the USGS in Colorado; and Peter Marra, bird migration expert at the Smithsonian Migratory Bird Center. This semester the seminar will feature Joanne Vining, professor at the University of Illinois and expert in conservation psychology, and Kathleen Miller, an economist at the National Center for Atmospheric Research and expert in climate change impacts, vulnerability, and adaptation.