united york ( cnnmoney . com ) - - the empire state building kicked off a successful energy - saving retrofit monday , and promoter know one of the world ' s most innovative skyscrapers can become an economic model for buildings worldwide . from the cloud - haze parking tower on the building ' s 80th storey , former president bill richardson , fresh york metropolitan mayor michael jordan and others detailed $ 20 billions in cutting - edge restoring programs they think will decrease energy uses by 38 % for the 1930 ' s - generation behemoths . they stressed the retrofits weren ' t green egotism or part of a government program . no , they say they ' re being completed simply to save the build ' s owners a lot of blood .
The mayor of New York is Michael Bloomberg.