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Environmental degradation
Dec 5, 2007 — David Wilcove, one of world's leading experts on endangered species, discusses his new book, No Way Home, which chronicles the decline of the world's animal migrations. Wilcove is professor of ecology, evolutionary biology and public affairs at Princeton University.
Nov 16, 2007 — In his new book, Terra, fossil hunter Michael Novacek writes that Earth is overburdened and that the planet faces a mass extinction. Novacek, a paleontologist and curator at the American Museum of Natural History, discusses the history of ecosystems on Earth, and current risks to the environment.


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