Nuclear weapons

Non-Proliferation Treaty

The nuclear Non-Proliferation Treaty (NPTi) is a landmark international treaty which became international law in 1970. The objectives of the NPTi are to prevent the spread of nuclear weapons and weapons technology and to achieve nuclear disarmament.

Comprehensive Test Ban Treaty

The Comprehensive Test Ban Treaty (CTBTi) bans all nuclear weapon test explosions or any other nuclear explosion, establishes an extensive International Monitoring System, and allows for short-notice on-site inspections. It was opened for signature in 1996, but has not yet entered into force.