Mayor Naming Sustainability Officer

Mayor Bill de Blasio is poised to take another step toward achieving his lofty goal of making the nation’s largest city its greenest one.

New York Mayor Bill de Blasio addresses the Climate Change Summit, at United Nations headquarters on Tuesday, Sept. 23, 2014. De Blasio on Wednesday will create a new agency, the Office of Sustainability, and name Clinton White House veteran Nilda Mesa its first director, administration officials told The Associated Press. AP Photo/Richard Drew