CLEAN : Eliminating nuclear weapons "is moral duty" says former IAEA chief at Vienna Conference

The video discusses the existential threat posed by nuclear weapons and emphasizes the moral and legal duty to eliminate them. It calls for immediate negotiations by nuclear-armed states to ensure their eradication. The latter part of the transcript contains incoherent and unrelated content.

What measures should be adopted concurrently with negotiations?

What is the ultimate goal mentioned in the text regarding nuclear weapons?