Learn more about the cities and their ideas

Twenty-one European Cities Advance in Bloomberg Philanthropies’ Mayors Challenge

The 2013–2014 Mayors Challenge is an ideas competition for European cities—a chance to win funding for a bold new solution to a major urban challenge. It exists to bring powerful new ideas to life—not only to help your own city, but to encourage others to adopt creative approaches as well.

Winning the prize will require an ambitious vision and bold experimentation. Applications have been submitted and 21 cities now advance to the next phase of the challenge, Ideas Camp.

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Bloomberg Philanthropies in partnership with

With support from

Last year’s Mayors Challenge took place in the United States.

The five winning ideas highlight the complex yet common challenges many cities face. The ideas were shaped and strengthened through collaboration with experts, peers, and events like Ideas Camp.

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Grand Prize
Providence, RI


  • Chicago, IL
  • Philadelphia, PA
  • Houston, TX
  • Santa Monica, CA
The winners' award, designed by renowned artist Olafur Eliasson.

"What inspires me about the Mayors Challenge is that while it honors what has been achieved in the past, it focuses on how to fuel a better tomorrow. For me, the award is about showing confidence in the future of cities."
—Olafur Eliasson

Latest News

Twenty-one European Cities Advance in Bloomberg Philanthropies' Mayors Challenge Competition to Create Innovative Solutions to Urban Challenges

Bloomberg Philanthropies today revealed the 21 European cities that have emerged as final contenders in its 2013-2014 Mayors Challenge.


Finalists Named in Bloomberg European City Contest

The 21 finalists come from 11 European countries and include sprawling capitals and modest-sized cities.


Read more

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Bloomberg.org @BloombergDotOrg

We're expanding our grant program to help more mayors improve life for residents through innovative approaches: http://t.co/Y98yPwFcFi

6:22 AM Aug 20


Bloomberg.org @BloombergDotOrg

Innovation delivery is a way mayors can increase likelihood of generating more powerful ideas more often. -@jmsndrsn http://t.co/gThqNmOxim

3:15 PM Aug 20

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