The world will face consequences that "look like a bad Hollywood movie" if it does not act to safeguard control of nuclear weapons, an Australian member of a key global body warns.

In a report to the UN, the Global Commission on the Responsible Use of AI in the Military called for legally binding agreements to ensure decisions to use nuclear weapons remain under human control, not AI systems.

Foreign Minister Penny Wong backed the report in a speech to the United Nations Security Council on Friday (AEST), saying AI had extraordinary potential, but also presented significant dangers if not kept in check.

"AI's potential use in nuclear weapons and unmanned systems challenges the future of humanity," she told the council.

UNSW Professor of AI Toby Walsh, who is a member of the commission,

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