Mayors Challenge

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European and American Mayors Worry About Very Different Things

In the U.S., cities prioritize efficiency and customer service. Across the Atlantic, the focus is on unemployment and energy waste.

The 8 Most Intriguing Finalists From the Bloomberg Philanthropies' Mayors Challenge

Five winners will be announced this spring, but these ideas stand out above the rest.

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Can Bloomberg's $9 Million Mayors Challenge Really Make a Difference?

At least one massively successful city innovation, 311, suggests it can.