Paul Ehrlich

2

President, Center for Conservation Biology, Bing Professor of Population Studies, Stanford University

Daniel Mariuz/AAP

January 13, 2021

Corey J. A. Bradshaw, Flinders University; Daniel T. Blumstein, University of California, Los Angeles, and Paul Ehrlich, Stanford University

Humanity is destroying Earth’s ability to support complex life. But coming to grips with the magnitude of the problem is hard, even for experts.

The great grey owl is imperiled by intensive logging of northern-hemisphere forests. Copyright Ondrej Prosicky/Shutterstock.

November 8, 2016

Bill Laurance, James Cook University and Paul Ehrlich, Stanford University

The jury is in and the debate is over: Earth’s sixth great extinction has arrived.