David Ehrenfeld is professor II of biology at Rutgers, the State University of New Jersey, where he teaches conservation and field ecology. In 2011, he was named Teacher of the Year in Rutgers’ School of Environmental and Biological Sciences. His seven books include the pioneering textbook Biological Conservation and, most recently, Becoming Good Ancestors: How We Balance Nature, Community, and Technology (2009). A pioneer of the field of conservation biology, he was the founding editor of the international scientific journal Conservation Biology, where he remains a consulting editor.

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It is an article of faith that global trade will be an ever-growing presence in the world. Yet this belief rests on shaky foundations. Global trade depends on cheap, long-distance freight transportation. Freight costs will rise with climate change, the end of cheap oil, and policies to mitigate these two challenges. At first, the increase […]

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