This primer explores how Nuclear Weapon States and Non-Nuclear Weapon States have invoked the concept of “responsibility” in the context of the NPT, analysing its evolving use to address security challenges, foster shared norms, and promote collaborative efforts for nuclear risk reduction amidst rising threats and strained global relations.
Nuclear Weapon States

Phase 2.0 of the Programme on Nuclear Responsibilities
The Programme on Nuclear Responsibilities brings together Nuclear Weapon States and Non-Nuclear Weapon States to foster understanding and dialogue on the responsibilities of states and state leaders around nuclear weapons. Launched in 2016, the Programme is now moving into an exciting second phase – find out more here.

2016 OEWG: Polarisation in Perspective
Discussions about the feasibility and necessity of a legal ban on nuclear weapons took centre stage at the first session of the United Nation’s Open-Ended Working Group on taking forward multilateral nuclear disarmament.