What is bill green mayor?

As an AI language model, I do not have access to current information and news. However, if you are referring to Bill Green who served as the Mayor of Wilmington, Delaware, from 1969 to 1977, he was known for his advocacy for urban renewal and economic development in the city. During his tenure as mayor, he initiated a number of projects to revitalize the downtown area and attract businesses to Wilmington. He was also credited with improving relations between the city government and African American residents. Prior to his career in politics, Green was a lawyer and worked as a prosecutor in New Castle County.