Mayors Challenge
Photo essay: Cities test—and improve upon—50 bold urban innovations
Capturing innovation through the lens of the Global Mayors Challenge
50 Champion Cities advance in the Mayors Challenge
First-responder program evolves to meet new moment
Infographic: Breaking down the 2021 Global Mayors Challenge applicants
Tapping the power of evidence-based messaging
Advice from three Mayors Challenge coaches
Solution Spotlight: Turning garden waste into a carbon sink in Stockholm
A Mayors Challenge like no other
Infographic: The Mayors Challenge, by the numbers
The Mayors Challenge—and the skills-building that comes with participating
Mayors Challenge impact: A look back at previous winners
