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The CTBT: How will we prevent a new era of nuclear testing?

First CTBT on-site inspection activity at the former Nevada Test
First Comprehensive Nuclear-Test-Ban Treaty on-site inspection activity at the former underground nuclear test site at Nevada, USA. Photo: The Official CTBTO Photostream

Ministry for Foreign Affairs Press Room, Fredsgatan 6, Stockholm (ID required)

The Comprehensive Nuclear-Test-Ban Treaty is a fundamental pillar of the global nuclear disarmament and non-proliferation regime. It celebrated its 20th anniversary last year, but prospects for its formal entry into force remain uncertain. How can the international community prevent further nuclear testing in future?

Watch a video of the event.

Coffee will be served from 14:30



HE Ms Annika Söder, State Secretary for Foreign Affairs

Keynote speeches

HE Mr Lassina Zerbo, Executive Secretary of the Comprehensive Nuclear-Test-Ban Treaty Organization (CTBTO)

HE Mr Hans Blix, Former Minister for Foreign Affairs of Sweden, Chairman of the Weapons of Mass, Destruction Commission, Executive Chairman of the UN Monitoring and, Verification Commission for Iraq, Director General Emeritus of the IAEA


HE Ms Eva Walder, Ambassador for Disarmament, Ministry for Foreign Affairs, Sweden

Mr Anders Ringbom, Research Director for Nuclear Verification Techniques,

Swedish Defence Research Agency (FOI)

Mr Tariq Rauf, Director of the Disarmament, Arms Control and Non-proliferation Programme, Stockholm International Peace Research Institute (SIPRI)


Mr Dan Smith, Director, Stockholm International Peace Research Institute (SIPRI)

Registration information

This event is now fully booked.

Event contact (SIPRI)