Three cities – Philadelphia, Louisville and Nashville – have served as laboratories of behavioral science, human-centered design and public entrepreneurship for the last several years as part of the City Accelerator, an initiative of Living Cities and the Citi Foundation to improve the lives of low-income urban residents.

The first in a special series of three pop-up podcasts that capture key learnings from Philadelphia, Louisville, and Nashville - the first three cities to graduate from the City Accelerator.