How Mayors Across The Globe Are Making A Difference

1A · May 14, 2026 · 44m

Mayors are uniquely aware of what’s needed to make their cities run more efficiently. And when it comes to improving city life — from housing, to public safety, to city services — a lack of resources can be a major obstacle.

In February, Bloomberg Philanthropies announced the winners of this year’s mayors’ challenge. A $1 million prize was awarded to 24 winners from 20 countries selected from 630 entries.

1A spoke to some of those winners at Bloomberg’s Citylab conference in Madrid, Spain. The summit was held in April and convened mayors from across the globe to talk about the latest in city…