The World Urban Forum will be held in Naples, Italy. Photo by Jen.

PARIS

What’s the best way to cut congestion in cities? Photo by andrew j. cosgriff.

Due to car restrictions, Beijing cut carbon emissions by tens of thousands of tons during the 2008 Summer Games. Photo by Kathy Zhuang.

The U.S. Federal Transit Administration has new abilities to regulate transit safety in the United States. Photo by Dan Pfiffer.

In Copenhagen, more than 30 percent of commuters bike to work. Photo by Martti Tulenheimo

Bogota routinely shuts down its streets for pedestrians and cyclists only, in a community event known as Ciclovia. Photo by Cidades para Pessoas.

EMBARQ Brazil leads journalists on a tour of BRT systems, including Metrobus in Mexico City. Photo by Mariana Gil / EMBARQ Brazil.

EMBARQ Brazil leads journalists on a tour of BRT systems, including Metrobus in Mexico City. Photo by Mariana Gil / EMBARQ Brazil.

April is Distracted Driver Awareness Month. Photo by Paul Oka.