NATO Needs a Declaratory Policy

Seven decades of proliferation have led to nine nuclear armed states. The five NPT Nuclear Weapon States (NWS) each offer their own negative security assurances to the world outlining the limits to the use of nuclear weapons. Declaratory policies are expressed with variable degrees of clarity and formality – sometimes existing only in the public announcements of a head of state – but they remain an important practice for every possessor of nuclear weapons. 

Report: Foregrounding India’s Nuclear Responsibilities: Nuclear Weapons Possession and Disarmament in South Asia


The BASIC Programme on Nuclear Responsibilities shapes the approach to international nuclear weapon policy to draw out the “nuclear responsibilities” of states around nuclear weapons during the process of global disarmament. Each nuclear weapons possessor state has described itself as a 'responsible' nuclear-armed state, but there exists no common understanding of what this entails. This presents an opportunity for a new, inclusive and engaging discussion of nuclear deterrence, restraint, and disarmament that is centred around the nuclear responsibilities frame.

Report: Changing Nuclear Weapons Policy in the Trump Era: Implications for Europe

President Trump’s emerging nuclear policy presents ‘extraordinary challenges to strategic stability, arms control, disarmament and non-proliferation within Europe’, and undermines European security. President Trump’s US Nuclear Posture Review is expected in the next two months.