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NWBM UN building
The UN building in New York Photo: Seth Shelden

On 22 January 2021, the Treaty on the Prohibition of Nuclear Weapons entered into force as binding, international law for its first 50 states parties. This marked a milestone in the global community’s efforts to eliminate nuclear weapons.

The impact of the Treaty will be built gradually and will depend on how it is received, used, and promoted by each and every state.

The TPNW codifies the norms and actions that are needed to create and maintain a world without nuclear weapons. At the First Meeting of States Parties to the TPNW, which will take place in Austria within a year after entry into force, the states parties will start taking important decisions that will shape the long-term implementation, institutionalisation, and universalisation of the Treaty.


NWBM suitcase
A military aide carries a briefcase containing launch codes for nuclear weapons as US President Donald Trump returns to the White House in Washington DC, 24 July 2018. Photo: Joshua Roberts/Reuters/NTB

Eyes on Europe: The Nuclear Weapons Ban Monitor 2020 was launched on 12 January 2021. The report shows that Europe stands out as the region with the most states that act in conflict with the TPNW.

Read more about the Nuclear Weapons Ban Monitor 2020 and the main findings


Nuclear Weapons Ban Monitor 2020

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