Physicists Geoffrey West and Luis Bettencourt of the Santa Fe Institute have looked at data from cities around the world to try to understand what, exactly, they are. They've found that surprising patterns underlie the growth of all urban systems.
From bike share to Airbnb, the urban landscape now shows new systems of people passing private property around and using resources in new ways. We'll look at this with April Rinne, Sharing Economy Advisory Board, City of Seoul, South Korea; David Sheard, Council Leader, Kirklees; Brian Chesky, Co-Founder and Chief Executive Officer, Airbnb; and Arun Sundararajan, Professor and Rosen Faculty Fellow, New York University.
The former Transportation Commissioner of New York transformed Times Square from a cab-choked bottleneck into an airy pedestrian mall. Now, she's working on walking, biking and commuting in Southern California.