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 ...

Illegal. Criminal. A drag on the economy. These are just a few of the derisive labels that beleaguer urban informal workers, says Martha Chen, co-founder of and senior advisor to Women in Informal Employment: Globalizing and Organizing. Informal workers – ...

In 2018, we watched cities around the world grapple with the new mobility transition. Shared, electric and autonomous transportation, at the touch of the button, is redefining how people get around. At the same time, the ultimate effect of these ...

Because countries’ commitments are not enough, and cities, local governments and businesses can only do so much to keep climate impacts from reaching the most dangerous levels, we need to strengthen the mutually reinforcing relationship between national and subnational climate action ...

About 3 billion people, or 40 percent of the world’s population, will need new housing by 2030. That will require constructing approximately 21 million new homes every year across the world. Several of the fastest-growing countries have ambitious goals to ...

Bike sharing has experienced astonishing growth since its first major breakthrough 20 years ago. Following the rise of dockless bike sharing, more than 1,000 cities worldwide now offer bike-sharing services. Around 300 cities implemented new systems in 2017 alone. Bike ...