- Nuclear Testing
- The Treaty
- The Comprehensive Nuclear-Test-Ban Treaty
- Status of signature and ratification
- History: 1945-1993
- 1993-1996: Treaty negotiations
- Developments after 1996
- Article XIV Conferences
- About the Article XIV Conferences
- 2007 Conference on Facilitating the Entry into Force of the Comprehensive Nuclear-Test-Ban Treaty Vienna, Austria
- 2005 Conference on Facilitating the Entry into Force of the Comprehensive Nuclear-Test-Ban Treaty United Nations, New York, USA
- 2003 Conference on Facilitating the Entry into Force of the Comprehensive Nuclear-Test-Ban Treaty Vienna, Austria
- 2001 Conference on Facilitating the Entry into Force of the Comprehensive Nuclear-Test-Ban Treaty Vienna, Austria
- 1999 Conference on Facilitating the Entry into Force of the Comprehensive Nuclear-Test-Ban Treaty Vienna, Austria
- The Organization
- CTBTO Preparatory Commission
- The Provisional Technical Secretariat (PTS)
- Working at the Provisional Technical Secretariat
- Geographical and gender distribution
- Budget
- Special events, civil and scientific applications and symposiums
- Organizational structure of the PTS
- Curriculum Vitae: Tibor Toth Executive Secretary
- Curriculum Vitae: John Sequeira Division of Administration
- Curriculum Vitae: Ziping Gu Legal and External Relations Division
- Curriculum Vitae: Federico Guendel Umana International Monitoring System Division
- Curriculum Vitae: Lassina Zerbo International Data Centre Division
- Curriculum Vitae: Boris Kvok On-Site Inspection Division
- CTBTO after entry into force
- Workshops and training activities
- Meeting schedule and calendar of events
- CTBT: Synergies with Science 1996 - 2006 and beyond
- Member States
- Verification Regime
- Press Centre
- CTBT in the News
- Reports, analyses and statements about the CTBT
- Press Releases
- 2008
- Timor-Leste signs CTBT - now 180 States have signed
- Burundi ratifies CTBT
- Leading international figures join foreign ministers in call for treaty banning nuclear weapons testing
- Ministers call upon remaining nine countries to clear way for Nuclear-Test-Ban Treaty
- Media Advisory: Leading international figures will address a conference to promote the Treaty that will ban all nuclear weapons testing on Earth.
- New tsunami arrangements
- CTBTO starts first ever on-site inspection simulation
- Major step forward in detecting nuclear explosions
- Final preparations for major CTBT inspection exercise
- Iraq signs the Comprehensive-Nuclear- Test-Ban Treaty
- Signing of tsunami warning agreement between Japan and the CTBTO
- Media Advisory: CTBTO to conduct first integrated on-site inspection exercise in September in Kazakhstan
- CTBTO will assist additional tsunami warning centres in the Pacific and Indian Oceans
- Launch of international scientific study project to evaluate the nuclear test ban verification system
- The United States pays US$ 23.8 million to the CTBTO
- Ambassador Hans Lundborg, Sweden, new chairperson of the CTBTO Preparatory Commission
- Colombia ratifies the Comprehensive Nuclear-Test-Ban Treaty - only nine more countries need to ratify the Treaty to take effect
- Malaysia ratifies the Comprehensive Nuclear-Test-Ban Treaty
- Barbados ratifies the Comprehensive Nuclear-Test-Ban Treaty
- 2007
- Bahamas ratifies the Comprehensive Nuclear-Test-Ban Treaty
- States Signatories approve important CTBTO events and activities for 2008
- UPDATE: Press briefing on CTBTO on-site inspection training course in Hungary to be held on 30 October 2007
- Press briefing on CTBTO on-site inspection training course in Hungary to be held on 30 October 2007
- One year after the declared nuclear test in DPRK, CTBTO keeps momentum in establishing verification system to monitor nuclear test ban
- Foreign Ministers of Austria and Costa Rica call for US leadership in CTBT ratification process
- Ratifiers and States Signatories urge outstanding States to sign and ratify the Comprehensive Nuclear-Test-Ban Treaty
- CTBT moves world closer to being free of nuclear weapons, says UN Secretary-General
- Representatives of Austria and Costa Rica express optimism about upcoming conference to promote CTBT
- Invitation to press briefing with the Foreign Ministers of Austria and Costa Rica at conference to promote the Comprehensive Nuclear-Test-Ban Treaty
- CTBTO launches updated movie and new web site area on October 2006 announced nuclear test in the DPRK
- Dominican Republic ratifies the Comprehensive Nuclear-Test-Ban Treaty
- Media Advisory: High-level conference to promote an end to nuclear test explosions
- Invitation to press briefing on conference to promote the Comprehensive Nuclear-Test-Ban Treaty
- Palau ratifies the Comprehensive Nuclear-Test-Ban Treaty
- CTBTO faces budgetary challenges
- Number of certified IMS facilities passes 200 mark
- Provisional Technical Secretariat Marks Tenth Anniversary
- The Republic of Moldova ratifies the Comprehensive Nuclear-Test-Ban Treaty: All States in Europe Party to the Treaty
- 2006
- CTBTO Preparatory Commission concludes Twenty-Seventh Session
- The Republic of Montenegro succeeds to the Comprehensive Nuclear-Test-Ban Treaty
- Bosnia and Herzegovina ratifies Comprehensive Nuclear-Test-Ban Treaty
- CTBTO held a Special Session in connection with the announcement of the Democratic People's Republicof Korea to have conducted an underground nuclear test
- Statement by Ambassador Volodymyr Yelchenko, Chairperson of the Preparatory Commission for the Comprehensive Nuclear-Test-Ban Treaty Organization
- Statement by Tibor Toth, Executive Secretary of the Preparatory Commission for the Comprehensive Nuclear-Test-Ban Treaty Organization
- Statement by Tibor Toth, Executive Secretary of the CTBTO PrepCom
- Statement by Ambassador Volodymyr YELCHENKO, Chairman of the CTBTO Preparatory Commission
- CTBTO Preparatory Commission recommends use of data by tsunami warning organizations
- CTBTO to hold Scientific Symposium from 31 August - 01 September 2006
- Ethiopia ratifies Comprehensive Nuclear-Test-Ban Treaty
- Andorra ratifies Comprehensive Nuclear-Test-Ban Treaty
- Armenia ratifies Comprehensive Nuclear-Test-Ban Treaty
- Italy signs Facility Agreement
- Viet Nam becomes the thirty-fourth Annex 2 State to ratify the Comprehensive Nuclear-Test-Ban Treaty
- Cape Verde ratifies Comprehensive Nuclear-Test-Ban Treaty
- Zambia ratifies Comprehensive Nuclear-Test-Ban Treaty
- Suriname ratifies Comprehensive Nuclear-Test-Ban Treaty
- Cameroon ratifies Comprehensive Nuclear-Test-Ban Treaty
- Antigua and Barbuda ratifies Comprehensive Nuclear-Test-Ban Treaty
- 2005
- The Netherlands Voluntary Contribution to the Preparatory Commission
- Haiti ratifies Comprehensive Nuclear-Test-Ban Treaty
- Preparatory Commission concludes Twenty-Fifth Session
- Ambassador Abdulkadir Bin Rimdap becomes new Chairperson of Working Group A of the Preparatory Commission for the CTBTO
- Madagascar ratifies Comprehensive Nuclear-Test-Ban Treaty
- Vanuatu ratifies Comprehensive Nuclear-Test-Ban Treaty
- Lebanon signs Comprehensive Nuclear-Test-Ban Treaty
- Conference on Facilitating the Entry into Force of the Comprehensive Nuclear-Test-Ban Treaty, New York, 21 to 23 September 2005
- The Conference on Facilitating the Entry into Force of the Comprehensive Nuclear-Test-Ban Treaty
- Cook Islands ratifies Comprehensive Nuclear-Test-Ban Treaty
- Ambassador Tibor Toth becomes new Executive Secretary of the Preparatory Commission for the CTBTO
- United Nations Secretary-General issues invitation to 2005 Conference on Facilitating the Entry into Force of the Comprehensive Nuclear-Test-Ban Treaty
- Djibouti ratifies Comprehensive Nuclear-Test-Ban Treaty
- Thirty-fifth Session of the Organization of American States adopts resolution in support of the Comprehensive Nuclear-Test-Ban Treaty
- Czech Republic supports CTBTO Preparatory Commission's information and training activities
- Czech Republic supports CTBTO Preparatory Commission's outreach activities
- Saint Kitts and Nevis ratifies Comprehensive Nuclear-Test-Ban Treaty
- CTBTO Preparatory Commission holds seminar in Tlatelolco, Mexico
- Minister of Foreign Affairs of Burkina Faso expresses his support for the CTBT
- Russian Federation signs Facility Agreement
- CTBTO signs relationship agreement with Association of Caribbean States
- The Preparatory Commission for the CTBTO holds a special session on a possible contribution to a tsunami warning system
- The Netherland's Voluntary Contribution to the Preparatory Commission
- The Bahamas Signs Comprehensive Nuclear-Test-Ban Treaty
- Northern Sumatra Earthquake and the Subsequent Tsunami on 26 December 2004
- 2004
- Rwanda Signs and Ratifies the Comprehensive Nuclear-Test-Ban Treaty
- Twenty-Third Session of the Preparatory Commission concludes with the election of the new Executive Secretary
- Executive Secretary of CTBTO Preparatory Commission urges States to sign and ratify the Comprehensive Nuclear-Test-Ban Treaty on the occasion of the 59th session of the United Nations General Assembly
- Comprehensive Nuclear-Test-Ban Treaty Operations and Maintenance Workshop opens in Baden, Austria
- Field exercise to test aftershock equipment deployment is hosted by the Government of Slovakia
- United Republic of Tanzania Signs and Ratifies the Comprehensive Nuclear-Test-Ban Treaty
- Democratic Republic of the Congo becomes the latest Annex 2 State to ratify the Comprehensive Nuclear-Test-Ban Treaty
- Eighth anniversary of the opening for signature of the Comprehensive Nuclear- Test-Ban Treaty
- Tunisia Ratifies the Comprehensive Nuclear-Test-Ban Treaty
- Israel signs Facility Agreement
- Liechtenstein Ratifies the Comprehensive Nuclear-Test- Ban Treaty
- Executive Secretary addresses 48th regular session of the International Atomic Energy Agency General Conference
- Kazakhstan signs Facility Agreement
- CTBTO Radionuclide Laboratory Workshop and Noble Gas Workshop to take place in Strassoldo, Italy
- Fourth issue of CTBTO Spectrum published
- Togo Ratifies the Comprehensive Nuclear-Test-Ban Treaty
- Twenty-Second Session of the Preparatory Commission concludes
- Sudan Signs and Ratifies the Comprehensive Nuclear-Test- Ban Treaty
- Serbia and Montenegro ratifies the Comprehensive Nuclear- Test-Ban Treaty
- Seychelles ratifies the Comprehensive Nuclear- Test-Ban Treaty
- Bahrain ratifies the Comprehensive Nuclear-Test-Ban Treaty
- Belize ratifies the Comprehensive Nuclear-Test-Ban Treaty
- Saint Kitts and Nevis Signs Comprehensive Nuclear-Test- Ban Treaty
- Ambassador Yukio Takasu of Japan takes on the role of Chairperson of the CTBTO Preparatory Commission for 2004
- Libya ratifies the Comprehensive Nuclear-Test-Ban Treaty
- 2003
- Panama signs Facility Agreement
- Twenty-First Session of the Preparatory Commission concludes
- Eritrea signs and ratifies the Comprehensive Nuclear-Test-Ban Treaty
- Honduras ratifies the Comprehensive Nuclear-Test-Ban Treaty
- Kyrgyzstan ratifies Comprehensive Nuclear-Test-Ban Treaty
- Mauritania signs Facility Agreement
- Afghanistan signs and ratifies the Comprehensive Nuclear- Test-Ban Treaty on the seventh anniversary of the Treaty's opening for signature
- CONFERENCE REPORT AND FINAL DECLARATION ISSUED
- CONFERENCE CLOSES WITH ADOPTION OF FINAL DECLARATION CALLING FOR UNIVERSAL RATIFICATION OF THE CTBT
- DELEGATES EMPHASIZE THE CTBT'S ROLE IN REINFORCING THE NPT AND REDUCING THE THREATS OF NUCLEAR TERRORISM
- CONFERENCE OPENS IN VIENNA
- DELEGATES CALL FOR STRONG FINAL DECLARATION AS GENERAL DEBATE CONTINUES
- Conference on Facilitating the Entry into Force of the Comprehensive Nuclear-Test-Ban Treaty, Vienna, 3 - 5 September 2003
- Palau Signs Comprehensive Nuclear-Test-Ban Treaty
- CTBTO Preparatory Commission publishes 2nd issue of CTBTO Spectrum
- Cyprus ratifies the Comprehensive Nuclear-Test-Ban Treaty
- Algeria's ratification brings the Comprehensive Nuclear-Test-Ban Treaty closer to entry into force
- Ambassador Thomas Stelzer of Austria elected as Chairperson of Preparatory Commission
- Chinese Minister of Foreign Affairs expresses support for Comprehensive Nuclear-Test-Ban Treaty
- United Nations Secretary-General issues invitation to 2003 Conference on Facilitating the Entry into Force of the Comprehensive Nuclear- Test-Ban Treaty
- On-site inspections workshop opens in Hiroshima
- Foreign Minister of Japan strongly supports the entry into force of the Comprehensive Nuclear- Test-Ban Treaty
- Workshop on CTBTO International Cooperation and National Implementation of the Treaty for States in the Pacific concludes
- Oman ratifies the Comprehensive Nuclear-Test-Ban Treaty
- Romania signs Facility Agreement
- International cooperation workshop to take place in Fiji
- Thirty-third Session of the Organization of American States approves resolution in support of the Comprehensive Nuclear-Test-Ban Treaty
- Conference on Facilitating the Entry into Force of the Comprehensive Nuclear-Test-Ban Treaty to take place in Vienna in September 2003
- Entry into force of Comprehensive Nuclear-Test-Ban Treaty important and urgent, says second session of NPT Preparatory Committee
- Kuwait ratifies the Comprehensive Nuclear-Test-Ban Treaty
- Comprehensive Nuclear-Test-Ban Treaty reaches 100 ratifications
- Mauritania ratifies the Comprehensive Nuclear-Test-Ban Treaty
- Albania ratifies Comprehensive Nuclear-Test-Ban Treaty
- Philippines signs Facility Agreement
- Gambia Signs Comprehensive Nuclear-Test-Ban Treaty
- Paraguay signs Facility Agreement
- CTBTO international cooperation workshop in Baku concludes
- Executive Secretary visits nuclear test site at Novaya Zemlya
- Executive Secretary concludes mission to Brazil and Chile
- Cote d'Ivoire Ratifies Comprehensive Nuclear-Test-Ban Treaty
- Non-Aligned Movement Conference stresses importance of Comprehensive Nuclear-Test-Ban Treaty
- Slovak Foreign Minister pays courtesy visit to Executive Secretary
- 2002
- CTBTO certifies additional International Monitoring System Stations
- CTBTO Workshop in Jamaica promotes cooperation at the regional level
- Facility Agreement concluded with Guatemala
- Executive Secretary visits Central America and the Caribbean
- International cooperation workshop opens in Jamaica
- CTBTO Preparatory Commission launches CTBTO Spectrum newsletter
- Botswana ratifies the Treaty
- Nigerian Foreign Minister pays courtesy visit to Executive Secretary
- Georgia and Samoa ratify the Treaty
- Six years after the Comprehensive Nuclear-Test-Ban Treaty opens for signature, 166 States have signed and 94 have ratified
- Botswana signs the Treaty
- CTBTO Preparatory Commission signs relationship agreement with OPANAL
- Niger ratifies the Treaty
- One hundredth satellite earth station installed in International Monitoring System
- Kazakhstan ratifies Comprehensive Nuclear-Test-Ban Treaty
- Venezuela ratifies Comprehensive Nuclear-Test-Ban Treaty
- Burkina Faso ratifies Comprehensive Nuclear-Test-Ban Treaty
- Provisional Technical Secretariat - Five Years Old
- Background note for the fifth anniversary of the Provisional Technical Secretariat (PTS)
- San Marino ratifies Comprehensive Nuclear-Test-Ban Treaty
- Fifth Anniversary of the Provisional Technical Secretariat of the CTBTO Preparatory Commission
- 2001
- Central African Republic signs Comprehensive Nuclear-Test-Ban Treaty
- Latvia ratifies Comprehensive Nuclear-Test-Ban Treaty
- Cameroon signs Comprehensive Nuclear-Test-Ban Treaty
- Belize signs Comprehensive Nuclear-Test-Ban Treaty
- Jamaica ratifies Comprehensive Nuclear-Test-Ban Treaty
- Libyan Arab Jamahirya signs Comprehensive Nuclear-Test-Ban Treaty
- Ecuador ratifies Comprehensive Nuclear-Test-Ban Treaty
- Nauru ratifies Comprehensive Nuclear-Test-Ban Treaty
- Singapore ratifies Comprehensive Nuclear-Test-Ban Treaty
- New dates for the Conference on Facilitating the Entry into Force of the Comprehensive Nuclear- Test-Ban Treaty
- Paraguay ratifies Comprehensive Nuclear-Test-Ban Treaty
- Costa Rica ratifies Comprehensive Nuclear-Test-Ban Treaty
- Nigeria ratifies Comprehensive Nuclear-Test-Ban Treaty
- Uruguay ratifies Comprehensive Nuclear-Test-Ban Treaty
- The Comprehensive Nuclear-Test-Ban Treaty - five years on
- Sierra Leone ratifies Comprehensive Nuclear-Test-Ban Treaty
- Malta ratifies Comprehensive Nuclear-Test-Ban Treaty
- Holy See ratifies Comprehensive Nuclear-Test-Ban Treaty
- Namibia ratifies Comprehensive Nuclear-Test-Ban Treaty
- Yugoslavia signs Comprehensive Nuclear-Test-Ban Treaty
- Senegal - seventeenth State Signatory to sign Facility Agreement
- Preparatory Commission for the Comprehensive Nuclear-Test-Ban Treaty Organization launches new web site
- Saint Lucia ratifies Comprehensive Nuclear-Test-Ban Treaty
- Uganda ratifies Comprehensive Nuclear-Test-Ban Treaty
- Peru - sixteenth State Signatory to sign Facility Agreement
- Conference on Facilitating the Entry into Force of the CTBT to be held in September in New York
- Guyana ratifies Comprehensive Nuclear-Test-Ban Treaty
- Croatia ratifies Comprehensive Nuclear-Test-Ban Treaty
- Benin ratifies Comprehensive Nuclear-Test-Ban Treaty
- Ukraine ratifies Comprehensive Nuclear-Test-Ban Treaty
- Philippines ratifies Comprehensive Nuclear-Test-Ban Treaty
- 2000
- New Zealand Facility Arrangements enters into Force
- Republic of Kenya ratifies Comprehensive Nuclear-Test-Ban Treaty
- Republic of Nicaragua ratifies Comprehensive Nuclear-Test-Ban Treaty
- CTBTO Preparatory Commission concludes its Thirteenth Session and adopts budget for 2001
- Kingdom of Cambodia ratifies Comprehensive Nuclear-Test-Ban Treaty
- Lao People's Democratic Republic ratifies Comprehensive Nuclear- Test-Ban Treaty
- Gabon ratifies Comprehensive Nuclear-Test-Ban Treaty
- United Arab Emirates ratifies Comprehensive Nuclear-Test-Ban Treaty
- Comprehensive Nuclear-Test-Ban Treaty - Four Years Old
- Belarus ratifies Comprehensive Nuclear-Test-Ban Treaty
- Spain - Fourteenth State to sign Facility Agreement
- Nigeria, Nauru and Sierra Leone sign Comprehensive Nuclear-Test-Ban Treaty at United Nations Millennium Summit
- Kiribati and Maldives ratify Comprehensive Nuclear-Test-Ban Treaty at United Nations Millennium Summit
- Guyana and Kiribati sign Comprehensive Nuclear-Test-Ban Treaty at United Nations Millennium Summit
- CTBTO Preparatory Commission calls on States to sign and ratify the CTBT during the forthcoming United Nations Millennium Summit
- First Canadian seismological station to monitor compliance with CTBT certified
- First seismological station in the United States to monitor compliance with CTBT certified
- First Norwegian seismological station to monitor compliance with CTBT certified
- Chile ratifies Comprehensive Nuclear-Test-Ban Treaty
- Mexican Foreign Minister, Affirming Support for CTBTO, Calls for World Free of Nuclear Weapons
- Russian Federation ratifies Comprehensive Nuclear-Test-Ban Treaty
- Azerbaijani President in Vienna Calls Nuclear Weapons 'Threat to Mankind'
- Portugal ratifies Comprehensive Nuclear-Test-Ban Treaty
- Iceland ratifies Comprehensive Nuclear-Test-Ban Treaty
- General Assembly approves Relationship Agreement between United Nations and CTBTO Preparatory Commission
- Sri Lanka thirteenth State Signatory to sign Facility Agreement
- Mongolia twelfth State Signatory to sign Facility Agreement
- Workshop to focus on cooperation in advancing work on the Comprehensive Nuclear-Test-Ban Treaty, Beijing, 6-8 June 2000
- The Preparatory Commission and the United Nations conclude an agreement to regulate their relationship
- CTBTO Preparatory Commission welcomes 2000 NPT Review Conference result
- Finland eleventh State Signatory to sign Facility Arrangement
- Morocco ratifies Comprehensive Nuclear-Test-Ban Treaty
- Cook Islands tenth State signatory to have signed Facility Agreement
- CTBT - The Way Forward High-level panel discusses significance and achievements
- The former Yugoslav Republic of Macedonia ratifies Comprehensive Nuclear-Test-Ban Treaty
- CTBTO Preparatory Commission three years old
- Australia ninth member State to sign Facility Agreement
- Bangladesh ratifies Comprehensive Nuclear-Test-Ban Treaty
- Turkey ratifies Comprehensive Nuclear-Test-Ban Treaty
- Lithuania ratifies Comprehensive Nuclear-Test-Ban Treaty
- Daniela Rozgonova appointed Chief of Public Information
- 1999
- Argentina eighth State signatory to have signed Facility Agreement
- CTBTO Preparatory Commission concludes its tenth session and adopts budget for 2000
- United Kingdom seventh State signatory to have signed Facility Agreement
- Jordan sixth State signatory to have signed Facility Agreement
- Kenya fifth State signatory to have signed Facility Agreement
- Romania ratifies Comprehensive Nuclear-Test-Ban Treaty
- Mexico ratifies Comprehensive Nuclear-Test-Ban Treaty
- Bolivia ratifies Comprehensive Nuclear-Test-Ban Treaty
- Statement on the United States Senate vote by Ambassador Mokhtar Reguieg, Chairman of the CTBTO PrepCom
- Switzerland ratifies Comprehensive Nuclear-Test-Ban Treaty
- Statement on the United States Senate vote by Wolfgang Hoffmann, Executive Secretary of the CTBTO PrepCom
- Zimbabwe 155th State to sign the Comprehensive Nuclear-Test-Ban Treaty
- Ukraine fourth Member State to sign Facility Agreement
- Republic of Korea ratifies Comprehensive Nuclear-Test-Ban Treaty
- Bulgaria ratifies Comprehensive Nuclear-Test-Ban Treaty
- Conference on Facilitating the Entry Into Force of the CTBT to be held in Vienna
- Oman 154th State to sign the Comprehensive Nuclear-Test- Ban Treaty
- Guatemala 153rd State to sign the Comprehensive Nuclear-Test-Ban Treaty
- Lesotho ratifies Comprehensive Nuclear-Test-Ban Treaty
- Slovenia ratifies Comprehensive Nuclear-Test-Ban Treaty
- Estonia ratifies Comprehensive Nuclear-Test-Ban Treaty
- Mali ratifies Comprehensive Nuclear-Test-Ban Treaty
- Norway ratifies Comprehensive Nuclear-Test-Ban Treaty
- Ireland ratifies Comprehensive Nuclear-Test-Ban Treaty
- Hungary ratifies Comprehensive Nuclear-Test-Ban Treaty
- Belgium ratifies Comprehensive Nuclear-Test-Ban Treaty
- Senegal ratifies Comprehensive Nuclear-Test-Ban Treaty
- Luxembourg ratifies Comprehensive Nuclear-Test-Ban-Treaty
- Poland ratifies Comprehensive Nuclear-Test-Ban Treaty
- South Africa third Member State to sign Facility Agreement
- Greece ratifies Comprehensive Nuclear-Test-Ban Treaty
- South Africa ratifies Comprehensive Nuclear-Test-Ban Treaty
- Panama ratifies Comprehensive Nuclear-Test-Ban Treaty
- New Zealand ratifies Comprehensive Nuclear-Test-Ban Treaty
- The Netherlands ratifies Comprehensive Nuclear-Test- Ban Treaty
- CTBTO PrepCom two years old
- Azerbaijan ratifies Comprehensive Nuclear-Test-Ban Treaty
- Italy ratifies Comprehensive Nuclear-Test-Ban Treaty
- Finland ratifies Comprehensive Nuclear-Test-Ban Treaty
- Singapore 152nd State to sign the Comprehensive Nuclear-Test-Ban Treaty
- 1998
- Sweden ratifies Comprehensive Nuclear-Test-Ban Treaty
- Argentina ratifies Comprehensive Nuclear-Test-Ban Treaty
- CTBT offers signatory States additional benefits
- Canada first State signatory to have signed Facilities Agreement
- New Zealand second State signatory to have signed Facility Arrangement
- CTBTO Preparatory Commission concludes its seventh session, Budget for 1999 agreed
- The former Yugoslav Republic of Macedonia 151st State to sign the Comprehensive Nuclear- Test-Ban Treaty
- Statement by Wolfgang Hoffmann, Executive Secretary of the Preparatory Commission for the Comprehensive Nuclear-Test- Ban Treaty Organization (CTBTO)
- Second anniversary of adoption of Comprehensive Nuclear-Test-Ban Treaty, CTBTO PrepCom reviews progress
- Comprehensive Nuclear-Test-Ban Treaty training programme in Kazakhstan
- El Salvador ratifies the CTBT
- Contract signed for Global Communications Infrastructure - Another milestone in establishing global verification regime to monitor CTBT
- Grenada ratifies the CTBT
- Germany ratifies the CTBT
- Jordan ratifies the CTBT
- Spain ratifies the CTBT
- Malaysia 150th State to sign the CTBT
- Brazil ratifies the CTBT
- Australia ratifies the CTBT
- Tajikistan ratifies the CTBT
- Statement by Ambassador Affonso Celso de Ouro-Preto, Chairman of the CTBTO PrepCom (Pakistani tests)
- Statement by Wolfgang Hoffmann, Executive Secretary of the CTBTO PrepCom (Pakistani tests)
- Statement by Ambassador Affonso Celso de Ouro-Preto, Chairman of theCTBTO PrepCom (Indian tests)
- Statement by Wolfgang Hoffmann, Executive Secretary of the CTBTO PrepCom (Indian tests)
- France and United Kingdom jointly ratify the CTBT
- PTS reviews first year of operations
- 1997
- 1996
- 2008
- Highlights
- 2008
- The 2008 CTBT Ministerial Meeting - A message of hope and peace
- New Spectrum issue available online
- CTBTO on-site inspection simulation completes first phase
- CTBTO expands cooperation with Austria
- CTBTO inspectors implement on-site inspection test scenario in Kazakh steppe
- Head of CTBTO visits Kazakhstan
- Migration of Global Communications Infrastructure complete
- Thousands of experts worldwide working together to enhance test-ban verification
- Comprehensive Nuclear Test-Ban-Treaty (CTBT) plays key role in nuclear non-proliferation and disarmament
- Annual Report now online!
- CTBT discussed by Sweden's Minister for Foreign Affairs and CTBTO's Executive Secretary
- CTBTO's Executive Secretary visits Indonesia where tsunami warning arrangement has just been approved by UNESCO
- Nuclear test ban contributes to protection of environment
- Ten years since India and Pakistan conducted nuclear tests
- Importance of CTBT ratification discussed at international cooperation workshop for States from the Pacific
- Australian Minister for Foreign Affairs meets with Executive Secretary of the CTBTO to discuss promoting the CTBT's entry into force
- The test-ban figures prominently in meeting of the Nuclear Nonproliferation Treaty
- Austrian parliamentary delegation expresses interest in advancing the CTBT issue
- 2008