July 15, 2013, 5am PDT
New York Mayor Michael Bloomberg's progressive transportation advocacy isn't limited to the five boroughs. From bike lanes in Turkey to auto-rickshaws in India, his philanthropy is funding transportation and road safety projects worldwide.
March 13, 2013, 12pm PDT
Providence, Rhode Island's vision for improving early childhood literacy has been selected as the winner of the Bloomberg Philanthropies' Mayor's Challenge, a nationwide contest seeking innovative and replicable ideas for improving cities.
February 23, 2013, 11am PST
Bloomberg Philanthropies and the Huffington Post have launched an online platform for Americans to vote on the Mayor's Challenge competition proposals. The 20 finalists' revised proposals are now online.
June 13, 2012, 1pm PDT
Launched today by Bloomberg Philanthropies, the Mayors Challenge will award $9 million in prizes as a down payment on urban innovation, reports Ariel Schwartz.