new york ( cnnmoney . com ) - - the empire federal skyscraper kicked off a small oxygen - saving repainting monday , and organizers hope any of the world ' s most iconic skyscrapers can become an excellent models for buildings worldwide . from the cloud - shrouded observation deck on the theater ' s 80th foot , former congressman steve davis , new york municipal mayor michael bloomberg and others disclosed $ 20 million in cutting - edge sustainability measures they hope will reduction energy users by 38 % for the 1930 ' s - era retailing . they note the retrofits weren ' t green altruism or part of a public program . additionally , they say they ' re being used precisely to saving the building ' s owners a little of money .
The mayor of New York is Michael Bloomberg.