A Million-Dollar Bet on Cities’ Brightest Ideas

January 31, 2025

Former New York City Mayor Michael Bloomberg speaks at What Works Cities annual summit. What Works Cities / Bloomberg Philanthropies

What if your city's next big idea got a million-dollar boost?

Bloomberg Philanthropies just launched its biggest Mayors Challenge yet, offering $1 million each to 25 cities worldwide for bold, problem-solving ideas. Fifty finalists will first get $50,000 and expert guidance at an Ideas Camp to refine their concepts—think smarter infrastructure, greener solutions, or game-changing public services.

The goal? To spark innovations that don’t just transform one city but set a global example.

I’ve always loved mayors for exactly this reason. Their ideas are actionable, but have the potential to inspire cities around the world.

What would you propose to change in your city?


MUST-READS



IDEA SPOTLIGHT


The Swimmable Cities Alliance

Launched with the 2024 Paris Olympics, Swimmable Cities is on a mission to bring urban waterways back to life—cleaner, safer, and open for everyone to swim. With a global network of experts, they provide tools, resources, and a blueprint for cities to reclaim their rivers, lakes, and harbors as vibrant public spaces.

Website

 

INSTAGRAM SPOTLIGHT

@divisare_

 

Creative direction for the built world.

Ground Up is a new kind of creative studio for the built environment, informed by years of experience in real estate development, architecture, and branding. We’re here to partner with you on the strategy, branding, and design direction of your project.

Want to get a conversation going? Respond directly to this e-mail. We can’t wait to hear more.


 
 
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