His father made his mark as one of the most corrupt and brutal mayors in Chicago history. Mayor Richard Daley is making his mark too but in a more positive manner. Mayor Daley has an initiative in Chicago to "regreen" the city. He is ripping up concrete, requiring all new roofs to be silvered, planting prairie grasses on roofs, planting trees, and encouraging business to be LEED certified. He has recently declared that any new public buildings in Chicago will be LEED certified. Here you can read an article about Chicago's green roofs in the National Geographic.