In Mexico City, someone living in one of the wealthiest neighborhoods has 28 times better access to jobs in a 30-minute trip by public transit and walking than someone living in the poorest areas. Twenty-eight times. And this says nothing ...

Emmanuel leaves his home at 5 a.m. every morning with his two daughters. They take a mini-bus, or “tro-tro,” from their house in Awoshie, a residential neighborhood of Accra, Ghana, to the central business district where Emmanuel works. The trip ...

Cities can choose how they grow by directing investment and policies in specific ways. Those cities that have more upward growth relative to outward growth, for example, are better able to provide services and opportunities to their residents because development ...

 Metrocable is a finalist for the WRI Ross Prize for Cities. Medellín, Colombia, used to be the murder capital of the world. With the explosion of the global drug trade in the 1980s, crime burgeoned, plunging the city into ...

When we think of design in cities, it’s typically physical environments and infrastructure that come to mind: glass, steel and stone, skylines and main streets, museums, traffic jams, playgrounds and construction sites. But the designs that determine the health and ...

Imagine Lagos, Nigeria, a city of 22 million. What was once a small coastal town just a few decades ago has exploded into a sprawling megacity spanning 452 square miles. Its rapid growth has stretched the city’s services impossibly thin: ...