Peter Alagona: The Nature of Cities

Cities and suburbs across the U.S. are filled with wildlife, from squirrels to hawks to coyotes and bears. Indeed, you're more likely to run into a bear outside of Newark, New Jersey, than outside of Anchorage. How did this come to be true? That's the subject of The Accidental Ecosystem by environmental historian Peter Alagona, the guest on this episode of re: Wild.