Experts Say

After 72 years, nuclear weapons have been prohibited

SIPRI
July 21, 2017
By Dr Tarja Cronberg

7 July 2017 was a momentous day for disarmament and arms control. On that day, 122 states approved the Treaty on the Prohibition of Nuclear Weapons, often called ‘the ban treaty’, at the United Nations in New York. Once 50 states have ratified the treaty, nuclear weapons will be illegal. The agreement will prohibit the possession of nuclear weapons for all states in the same way as the chemical and biological weapon conventions have prohibited those weapons for all.
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