Sebastian Castellanos

Sebastian Castellanos

Transport - Climate
Technology - Policy

The People of Bogotá Want Cleaner Air. Will the City Listen?

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Bogotá is one of Latin America’s most polluted cities—but thanks to its citizens, its air may be getting cleaner.

A decision from the mayor’s office to keep using diesel fuels in the next generation of buses in the city’s bus rapid transit (BRT) system, TransMilenio, set loose a series of events, led by citizens, demanding cleaner air and challenging the local paradigm that less-polluting fuels are too expensive to consider.

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Micromobility & Your City: How New Mobility Data Can Help Cities Achieve Their Policy Goals

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The data revolution is here! The United Nations High Level Panel on the Post-2015 Development Agenda acknowledged that “better data and statistics will help governments track progress and make sure their decisions are evidence-based” as well as have the potential to “strengthen accountability.” But are governments, especially municipal governments, ready to help lead the data revolution? Read more.

D.C. Just Released the First Evaluation of Its Dockless Bike and Scooter Experiment

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Washington, DC, has been one of the foremost laboratories for tech-driven innovations in the transport sector. The city implemented North America’s first bike-share system, and most recently it welcomed companies to experiment with the latest transport trend: “micro mobility,”

Photo Essay: In a Global First, Shenzhen Steers Toward 100% Electric Bus Fleet

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From a small collection of fishing villages 40 years ago to a metropolis on track for a global milestone, Shenzhen has come further, faster than most cities. Already home to the largest fleet of electric buses in the world – roughly 14,500 at the end of May – the city is expected to electrify 100 percent of its public transit bus fleet by the end of 2017. If successful, it will become the first in the world to do so.

What’s Holding Back Latin American Cities’ Clean Bus Transition?

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The 18 Latin American Cities currently signed onto the Clean Bus Declaration of 2015 are sending clear signals to the market about their commitment to transitioning their bus fleets to low or zero emission buses. The time to transition is now, as many cities in the region, like Bogotá and Santiago, are preparing to renew part of their bus fleets in the next couple of years—an opportunity to adopt zero and low emission buses that will not present itself again in the near future.