Why can't people climb the Statue of Liberty anymore?

It is true that the park service no longer allows visitors to climb the Statue of Liberty. According to their website FAQ: Is the crown open? No. The crown has been closed since September 11, 2001. Since the Statue is anything but a conventional structure, making it easier for people to exit the crown, in the event of any emergency, is not possible. The National Park Service has therefore decided to close the crown. they can