Did you know that air quality is a major contributor to global warming? Or that poor air quality can reduce sunlight, disrupting rainfall patterns, depressing crop yields and diminishing solar energy output? Did you know air pollution is the biggest ...

Eighteen years ago, I was deputy general manager of TransMilenio S.A., the city agency running Bogotá’s brand new bus rapid transit (BRT) system. It was amazing to be there at the start of operations for this system knowing that it ...

The diverse economic, social and physical benefits of bicycling are no secret, yet many cities are hesitant to better accommodate growing numbers of bicycles on their streets. In October, WRI Turkey Sustainable Cities organized a workshop with representatives from 16 ...

A huge challenge for growing cities is provision of core services and infrastructure. Every time a new neighborhood crops up, services like roads, water and sanitation, education, and health centers must be extended to cover new residents. In practice, cities ...

Rit Aggarwala says we should think of the city as a machine. “It requires capacity to handle the people, the traffic, the throughput, the sewage, the garbage, everything that a city is there to handle. And if it is overcapacity, ...

WRI Ross Center for Sustainable Cities is reporting on Habitat III from Quito, Ecuador. Follow our daily coverage on TheCityFix. Habitat III, the third United Nations Conference on Housing and Sustainable Urban Development, officially began on Monday, October 17th in ...