- Computer scientist Daniele Quercia describes how "happy maps" can give you not the most efficient, but the most beautiful route.
- Political theorist Benjamin Barber argues that cities and city mayors are the key to bypassing political gridlock and solving many of our global challenges.
- Atlanta Mayor Kasim Reed says mayors are in a position to accomplish a great deal, because they're locals. They can see a city the way "people who are most in need of help see it," he says.
- Fast-growing cities are often riddled with violence, drug trafficking and unemployment. Security researcher Robert Muggah explains how some cities are using new approaches to address these problems.
- For Amanda Burden, a city is defined by its public spaces. The former city commissioner of New York City explains why a promenade, a park or even a park bench, are vital to a city's ability to thrive.
Building Better Cities