Cities are like elephants. They get more economical with size. That’s the conclusion of Dr. Geoffrey West, president of the Santa Fe Institute. Together with ecologist Jim Brown of the University of New Mexico, he is producing important new insights on how cities grow, why they fade, and what we can do about it.

Also with us is Denise Nunes to talk about her recent experiences as a volunteer reconstructing devastated homes in New Orleans’ Lower Ninth Ward. Denise is a Williams College graduate and a native of Evanston, Illinois.

Smart City is a syndicated, weekly hour-long public radio talk show that takes an in-depth look at urban life: the people, places, ideas and trends that affect us all. Host Carol Coletta talks with national and international public policy experts, economists, business leaders, artists, developers, planners and others on the pulse of city life for a penetrating discussion on urban issues.In Memphis,

Smart City is broadcast on WKNO FM, 91.1, at 9 a.m. Sundays. It is also webcast and podcast at the Smart City website, which also has a listing of broadcast times in other cities and the sign up for a weekly newsletter.