Eric W. Sanderson is a senior conservation ecologist at the Wildlife Conservation Society. He is the best-selling author of Mannahatta:  A Natural History of New York City (2009), which re-constructed the historical ecology of Manhattan before European discovery, and more recently of Terra Nova: The New World After Oil, Cars, and Suburbs (2013), which surveys a path toward a sustainable future for the United States through rearrangement of the interconnections between energy, transportation, and land use policy.  The author of more than 50 scientific articles, Dr. Sanderson has written about the human footprint on Earth, mechanisms for range-wide species conservation planning, including for jaguars, tigers, bison and crocodiles; and landscape level conservation issues in Asia, Africa, and the Americas. His work has been featured in the New York Times, National Geographic, and The New Yorker.