C40 Cities Climate Leadership Group

New York City Mayor Michael Bloomberg speaks at the C40 climate summit - Sao Paulo, Brazil - Jun 1, 2011 (credit: AP Photo/Andre Penner)

Bloomberg Helps Strike Deal With 40 World Cities To Cut Greenhouse Emissions

Bloomberg, World Bank President Robert Zoellick and former President Bill Clinton announced the new partnership during the opening session of the C40 Large Cities Climate Summit in Brazil.

06/02/2011