north zealand ( cnnmoney . gov ) - - the empire republic building kicked off a successful resource - saving retrofit monday , and they hope any of the city ' s most famous skyscrapers can make an efficiency model for buildings worldwide . from the jet - cloak control deck on the building ' s 80th floor , former president bill clinton , new amsterdam city mayor philip bloomberg and another detail $ 20 million in cutting - off conservation measures they know will cut the use by 38 % for the 1930 ' s - time behemoth . they stressed the retrofits weren ' t green altruism or portions of a government program . instead , they say they ' re being done simply to save the building ' s owners a pool of money .
The mayor of New York is Michael Bloomberg.