Sao Paulo

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Using Insights and Incentives to End Rush Hour

A start-up called Urban Engines believes data analysis and commuter lotteries can help cities reduce congestion.

Reuters

A Cyclist's Lost Arm Becomes a Symbol of Reform in São Paulo

The mayor of Brazil's largest city pledges to stop the carnage. Will it work?

Mikael Colville-Andersen

Bicycle Schools, Complete with Bamboo Bikes, On a Roll in Brazil

File under things that make you feel good.

This Is Now

Seeing a City Through Instagram

A real-time stream of every photo taken in five cities.