Gerardo Ceballos, one of the world’s leading ecologists, is a professor at the Institute of Ecology at Universidad Nacional Autónoma de México (UNAM). He has established more than twenty protected areas in Mexico and is the author or coauthor of more than 55 books. Ehrlich and Ceballos are coauthors of The Annihilation of Nature: Human Extinction of Birds and Mammals.
Published Works
Before They Vanish
Saving Nature's Populations — and Ourselves
Paul R. Ehrlich, Gerardo Ceballos, Rodolfo Dirzo
foreword by Jared Diamond