Infographic: The Mayors Challenge, by the numbers

Ever since its launch in 2013, the Bloomberg Philanthropies Mayors Challenge has empowered city leaders from around the world to tackle their most pressing concerns.

Mayors Challenge impact: A look back at previous winners

Here's how past winners of a one-of-a-kind ideas competition addressed their toughest challenges—and the impact they were able to create as a result.

Year in review: 5 bright spots in a difficult year

A year most city leaders would rather forget is winding down. It wasn’t all bad.


Coronavirus initiative gives U.S. mayors a boost on the frontlines of an emerging crisis

The mayors of all U.S. cities are invited to join a new initiative to help local leaders combat the coronavirus, Michael R. Bloomberg announced Tuesday.

How one city is prioritizing the wellbeing of its first responders

As COVID-19 puts new strains on the nation’s emergency medics, firefighters, and police officers on the frontlines of the crisis, an upstart program in West Virginia is showing how first responders

En Chile pusieron a los niños a jugar en las escuelas para reducir su peso. Y está funcionando

El equipo de Bloomberg Cities visitará a los ganadores y finalistas del 2016 Mayors Challenge en América Latina.