This week marks 78 years since the Japanese cities of Hiroshima and Nagasaki were destroyed by nuclear bombs. The global impact was enormous, as the movie Oppenheimer shows. The creator of the bomb realised all too well: these weapons must never be used again.
However, the number of states possessing nuclear weapons and the amount of nuclear weapons has grown enormously. Attempts to ban nuclear weapons have been unsuccessful. With the war in Ukraine, Putin has threatened to use nuclear weapons several times. It is time for new initiatives.
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