Anthony David Barnosky is an ecologist, geologist and biologist (paleoecology). He was Professor at the Department of Integrative Biology at UC Berkeley until his retirement. His research is concerned with the relationship between climate change and mass extinctions. Barnosky graduated in 1974 with a bachelor's degree in geology from Colorado College. This was followed by a master's degree (1980) and a Ph.D. (1983) in Earth Sciences at the University of Washington. He is married to Elizabeth A. ...