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 and their teams from across the United States, Europe, Latin America, and the Caribbean have learned and leveraged innovation tools and strategies to take on issues of homelessness, public health, climate change, equity, and much more. Here’s a look back at the previous competitions, the previous winners and their impact, and the skills that every city—not just the winners—have gained through their participation.
