Before They Vanish

One of the most powerful and important books on the global environmental crises humanity faces.
—Independent Australia
A call to action….Civilisation depends on natural systems for the services they provide. Allowing them to disappear not only threatens civilisation itself but, as the authors insist, it is ‘just plain morally wrong.’
—Sustainable Population Australia
Ehrlich and his colleagues present powerful evidence of global wildlife decline and more extinctions to come….Grief for what has been lost permeates the book. And the authors, whose careers have spanned a period of dramatic wildlife decline, use personal anecdotes and rich imagery to powerful effect.
—Nature

Paul R. Ehrlich is the emeritus Bing Professor of Population Studies in the Department of Biology and the president of the Center for Conservation Biology at Stanford University. He is the author of The Population Bomb and Human Natures: Genes, Cultures, and the Human Prospect.

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.

Rodolfo Dirzo, one of the world’s leading conservation scientists, is the Bing Professor of Environmental Science in the Departments of Biology and Earth Systems Science at Stanford University and a senior fellow at the Woods Institute for the Environment.

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