Mayors Challenge | Bloomberg Cities

Amalia Zepou, Deputy Mayor of Athens. Photo by Claudia Leisinger

Mayors Challenge

A profile in bold leadership: Deputy Mayor of Athens Amalia Zepou | Bloomberg Philanthropies

City of Warsaw, Poland

Mayors Challenge

How partnership with the visually impaired helped Virtual Warsaw

A young boy holds a sign for Santiago Sano (“Healthy Santiago”), the umbrella organization working to launch Santiago’s Mayors Challenge winning idea of using gamification to help children maintain a healthy weight, Juntos Santiago.

Healthy Communities

Santiago tackles childhood obesity with gamification

Ready-made biochar. Credit: Casper Hedberg.

Mayors Challenge

Stockholm Biochar Project, a Mayors Challenge winner, opens its first plant | Bloomberg Philanthropies

Providence Talks

Mayors Challenge

Replicating the success behind Providence Talks