Dale Jamieson is Henry R. Luce Professor in Human Dimensions of Global Change at Carleton College. He is author of Morality's Progress: Essays on Humans, Other Animals, and the Rest of Nature (2002), and the editor of many books including Singer and His Critics (Blackwell, 1999). For nearly twenty years he taught at the University of Colorado, Boulder, and has also held visiting positions at Cornell University, Monash University in Australia, and Oxford University. He works primarily in the fields of environmental philosophy, ethics, and philosophy of biology and mind.