22. Why Cities Rock
![22. Why Cities Rock](https://www.podcastworld.io/podcast-images/freakonomics-radio-gx35nucc.webp)
Could it be that cities are "our greatest invention" -- that, despite a reputation as black-soot-spewing engines of doom, they in fact make us richer, smarter, happier and (believe it!) greener?
Freakonomics Radio
en-usFebruary 17, 2011