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El fin del Organismo para la proscripción de las Armas Nucleares en la América Latina y el Caribe es asegurar el cumplimiento de las obligaciones del Tratado de Tlatelolco. Con el fin de asegurar el cumplimiento de las obligaciones del Tratado de Tlatelolco, las Partes Contratantes establecieron en 1969 el Organismo para la Proscripción de las Armas Nucleares en la América Latina y el Caribe (OPAN

AL). El Organismo tiene a su cargo la celebración de reuniones periódicas y extraordinarias entre los Estados Miembros relacionadas con los propósitos, las medidas y los procedimientos determinados por el Tratado.

The Secretary-General of OPANAL, Ambassador Juan Carlos Ojeda Viglione, is attending this week the 2026 Review Conferenc...
28/04/2026

The Secretary-General of OPANAL, Ambassador Juan Carlos Ojeda Viglione, is attending this week the 2026 Review Conference of the Parties to the Treaty on the Non-Proliferation of Nuclear Weapons ( ), taking place at the United Nations Headquarters in New York 🇺🇳.

For this Review Conference, OPANAL has submitted two working papers 📑 aimed at contributing to the deliberations of the Conference ⤵️

🔹 𝑅𝑒𝑐𝑜𝑚𝑚𝑒𝑛𝑑𝑎𝑡𝑖𝑜𝑛𝑠 𝑓𝑜𝑟 𝑐𝑜𝑛𝑠𝑖𝑑𝑒𝑟𝑎𝑡𝑖𝑜𝑛 𝑏𝑦 𝑡ℎ𝑒 2026 𝑅𝑒𝑣𝑖𝑒𝑤 𝐶𝑜𝑛𝑓𝑒𝑟𝑒𝑛𝑐𝑒 𝑜𝑓 𝑡ℎ𝑒 𝑃𝑎𝑟𝑡𝑖𝑒𝑠 𝑡𝑜 𝑡ℎ𝑒 𝑇𝑟𝑒𝑎𝑡𝑦 𝑜𝑛 𝑡ℎ𝑒 𝑁𝑜𝑛-𝑃𝑟𝑜𝑙𝑖𝑓𝑒𝑟𝑎𝑡𝑖𝑜𝑛 𝑜𝑓 𝑁𝑢𝑐𝑙𝑒𝑎𝑟 𝑊𝑒𝑎𝑝𝑜𝑛𝑠 — 𝑊𝑜𝑟𝑘𝑖𝑛𝑔 𝑝𝑎𝑝𝑒𝑟 𝑠𝑢𝑏𝑚𝑖𝑡𝑡𝑒𝑑 𝑏𝑦 𝑡ℎ𝑒 𝑆𝑡𝑎𝑡𝑒𝑠 𝑃𝑎𝑟𝑡𝑖𝑒𝑠 𝑡𝑜 𝑡ℎ𝑒 𝑇𝑟𝑒𝑎𝑡𝑦 𝑜𝑓 𝑇𝑙𝑎𝑡𝑒𝑙𝑜𝑙𝑐𝑜 (NPT/CONF.2026/WP.49)
🔗https://docs-library.unoda.org/Treaty_on_the_Non-Proliferation_of_Nuclear_Weapons_-EleventhReview_Conference_(2026)/NPT_CONF.2026_WP.49_-_49._ADVANCE_OPANAL_-_Recommendations_ENG.pdf

🔹 𝑀𝑒𝑚𝑜𝑟𝑎𝑛𝑑𝑢𝑚 𝑜𝑓 𝑡ℎ𝑒 𝑆𝑒𝑐𝑟𝑒𝑡𝑎𝑟𝑖𝑎𝑡 𝑜𝑓 𝑡ℎ𝑒 𝐴𝑔𝑒𝑛𝑐𝑦 𝑓𝑜𝑟 𝑡ℎ𝑒 𝑃𝑟𝑜ℎ𝑖𝑏𝑖𝑡𝑖𝑜𝑛 𝑜𝑓 𝑁𝑢𝑐𝑙𝑒𝑎𝑟 𝑊𝑒𝑎𝑝𝑜𝑛𝑠 𝑖𝑛 𝐿𝑎𝑡𝑖𝑛 𝐴𝑚𝑒𝑟𝑖𝑐𝑎 𝑎𝑛𝑑 𝑡ℎ𝑒 𝐶𝑎𝑟𝑖𝑏𝑏𝑒𝑎𝑛 (NPT/CONF.2026/5)
🔗 https://docs.un.org/en/NPT/CONF.2026/5

🌎 All States Parties to the Treaty of Tlatelolco — which predates the Treaty on the Non-Proliferation of Nuclear Weapons — are also States Parties to the , reflecting the region’s longstanding commitment to a world free of nuclear weapons ☮️

06/04/2026

🗣️Ambassador Juan Carlos Ojeda Viglione assumed office as Secretary-General of OPANAL on 1 January 2026, following his election by acclamation at the XXIX Special Session of the General Conference (19 December 2025), in accordance with resolution CG/E/Res.03/2025.

A career diplomat from Uruguay 🇺🇾 with more than 40 years of experience, he has devoted his career to strengthening multilateralism, disarmament, and non-proliferation. He served as Uruguay’s Permanent Representative to international organizations in Vienna, including the IAEA, at key moments in the global nuclear debate, and twice as Director of Multilateral Affairs at the Ministry of Foreign Affairs.

In an increasingly complex international context, his tenure for the period 2026–2029 is focused on consolidating Latin America and the Caribbean as a nuclear-weapon-free zone, strengthening the Treaty of Tlatelolco, and projecting the region’s voice in key international forums.

In this video, the Secretary-General presents the four priorities that will guide his mandate: greater international visibility, strengthening the non-proliferation regime, transparent and inclusive management, and the promotion of disarmament education.

El Embajador Juan Carlos Ojeda Viglione, Secretario General del OPANAL, se reunió con la Representación de la República ...
03/03/2026

El Embajador Juan Carlos Ojeda Viglione, Secretario General del OPANAL, se reunió con la Representación de la República de Chile 🇨🇱 para intercambiar puntos de vista sobre su participación en los órganos y actividades del Organismo, así como sobre las prioridades presentes y futuras.

✍️Chile es Estado Parte del Tratado de Tlatelolco, tras haberlo firmado el 14 de febrero de 1967 y haber depositado su instrumento de ratificación el 18 de febrero de 1969, siendo desde entonces miembro del OPANAL.

✍️On 14 November 2025, in Mexico City, the Agency for the Prohibition of Nuclear Weapons in Latin America and the Caribb...
02/03/2026

✍️On 14 November 2025, in Mexico City, the Agency for the Prohibition of Nuclear Weapons in Latin America and the Caribbean (OPANAL) and the Ministry of Foreign Affairs of Mongolia 🇲🇳 , in its capacity as a Nuclear-Weapon-Free State, signed a Memorandum of Understanding to strengthen cooperation in nuclear disarmament and non-proliferation.

Today, in the framework established by this MoU, which promotes structured cooperation, periodic consultations, and the exchange of information, further consolidating coordination among nuclear-weapon-free zones, the Secretary-General of OPANAL met with H.E. Mr. Ankhbayar Nyamdorj, Permanent Representative of Mongolia to the United Nations 🇲🇳🇺🇳 , to explore possible actions to advance its implementation and continue strengthening for future collaboration 🤝.

📍The Agency held the 180th meeting of the Committee on Contributions and Administrative and Budgetary Matters , the tec...
27/02/2026

📍The Agency held the 180th meeting of the Committee on Contributions and Administrative and Budgetary Matters , the technical organ established by the General Conference through Resolution CG/Res.106 (V) on 21 April 1977.

As set out in the Financial Regulations of the Agency, the CCAAP assists the Council in all matters related to the administration of OPANAL 📚🧾🧮📑.

The Committee is currently composed of 🇧🇿 Belize, 🇧🇷Brazil, 🇪🇨Ecuador, 🇲🇽Mexico, and 🇺🇾Uruguay. However, in accordance with established practice, as is the case with all OPANAL organs, its meetings and discussions are open to all Member States of the Agency 🌎.

Through its work, the CCAAP plays a key role in strengthening transparency, accountability, and sound financial governance within the Agency ☝🏽.

🏆 The Agency for the Prohibition of Nuclear Weapons in Latin America and the Caribbean is pleased to announce that the...
26/02/2026

🏆 The Agency for the Prohibition of Nuclear Weapons in Latin America and the Caribbean is pleased to announce that the paper entitled❞𝑨𝒖𝒕𝒐𝒏𝒐𝒎𝒚 𝒘𝒊𝒕𝒉𝒐𝒖𝒕 𝑷𝒓𝒐𝒍𝒊𝒇𝒆𝒓𝒂𝒕𝒊𝒐𝒏: 𝑳𝒂𝒕𝒊𝒏 𝑨𝒎𝒆𝒓𝒊𝒄𝒂’𝒔 𝑨𝒕𝒐𝒎𝒊𝒄 𝑬𝒙𝒄𝒆𝒑𝒕𝒊𝒐𝒏𝒂𝒍𝒊𝒔𝒎 𝒂𝒏𝒅 𝒕𝒉𝒆 𝑩𝒓𝒂𝒛𝒊𝒍𝒊𝒂𝒏 𝑵𝒖𝒄𝒍𝒆𝒂𝒓 𝑷𝒓𝒐𝒈𝒓𝒂𝒎𝒎𝒆❞, submitted by João Paulo Nicolini Gabriel and Dawisson Belém Lopes 🇧🇷 has been selected as the winner of the second edition of the 𝐀𝐧𝐭𝐨̂𝐧𝐢𝐨 𝐀𝐮𝐠𝐮𝐬𝐭𝐨 𝐂𝐚𝐧𝐜̧𝐚𝐝𝐨 𝐓𝐫𝐢𝐧𝐝𝐚𝐝𝐞 𝐀𝐰𝐚𝐫𝐝 𝐟𝐨𝐫 𝐍𝐮𝐜𝐥𝐞𝐚𝐫 𝐃𝐢𝐬𝐚𝐫𝐦𝐚𝐦𝐞𝐧𝐭 𝐚𝐧𝐝 𝐍𝐨𝐧-𝐏𝐫𝐨𝐥𝐢𝐟𝐞𝐫𝐚𝐭𝐢𝐨𝐧.

The 𝐀𝐧𝐭𝐨̂𝐧𝐢𝐨 𝐀𝐮𝐠𝐮𝐬𝐭𝐨 𝐂𝐚𝐧𝐜̧𝐚𝐝𝐨 𝐓𝐫𝐢𝐧𝐝𝐚𝐝𝐞 𝐀𝐰𝐚𝐫𝐝 𝐟𝐨𝐫 𝐍𝐮𝐜𝐥𝐞𝐚𝐫 𝐃𝐢𝐬𝐚𝐫𝐦𝐚𝐦𝐞𝐧𝐭 𝐚𝐧𝐝 𝐍𝐨𝐧-𝐏𝐫𝐨𝐥𝐢𝐟𝐞𝐫𝐚𝐭𝐢𝐨𝐧 of OPANAL recognizes and stimulates academic contributions to the field of nuclear disarmament and non-proliferation by authors from the Latin American and the Caribbean region and pays tribute to the intellectual legacy of Augusto Cançado Trindade, an outstanding professor and judge of the International Court of Justice, particularly for his defense of the inherent right to live in a world free of nuclear weapons 🌎☮️.

The Secretariat of the Agency warmly congratulates the authors on this important achievement 🤝.

☮️ The Agency for the Prohibition of Nuclear Weapons in Latin America and the Caribbean participated in the regional c...
18/02/2026

☮️ The Agency for the Prohibition of Nuclear Weapons in Latin America and the Caribbean participated in the regional consultations for States Parties to the Treaty on the Non-Proliferation of Nuclear , hosted by the United Nations Office for Disarmament Affairs in Panama City on 12–13 February 2026, which provided an opportunity to exchange views on regional priorities and strengthen preparations for the 2026 NPT Review Conference.

🔹Secretary-General conveyed a message highlighting the importance of the current international context and reaffirming that the Treaty of Tlatelolco remains a living demonstration of the effectiveness of nuclear-weapon-free zones.

🔹The Secretariat also delivered a presentation on regional perspectives, emphasizing the pioneering nature of the Treaty, the centrality of disarmament under Article VI, and the contribution of nuclear-weapon-free zones to risk reduction.

Comunicado dos Estados Membros da Agência para a Proscrição de Armas Nucleares na América Latina e no Caribe (OPANAL) po...
14/02/2026

Comunicado dos Estados Membros da Agência para a Proscrição de Armas Nucleares na América Latina e no Caribe (OPANAL) por ocasião do 59º Aniversário do Tratado de Tlatelolco

𝟏𝟒 𝐝𝐞 𝐟𝐞𝐯𝐞𝐫𝐞𝐢𝐫𝐨 𝐝𝐞 𝟐𝟎𝟐𝟔

Os 33 Estados Membros da OPANAL ✍️⤴️

🇦🇬🇦🇷🇧🇸🇧🇧🇧🇿🇧🇴🇧🇷🇨🇱🇨🇴🇨🇷🇨🇺🇩🇲🇪🇨🇸🇻🇬🇩🇬🇹🇬🇾🇭🇹🇭🇳🇯🇲🇲🇽🇳🇮🇵🇦🇵🇾🇵🇪🇩🇴🇰🇳🇻🇨🇱🇨🇸🇷🇹🇹🇺🇾🇻🇪

Comunicado de los Estados Miembros del Organismo para la Proscripción de las Armas Nucleares en la América Latina y el C...
14/02/2026

Comunicado de los Estados Miembros del Organismo para la Proscripción de las Armas Nucleares en la América Latina y el Caribe (OPANAL) en el 59º Aniversario del Tratado de Tlatelolco

𝟏𝟒 𝐝𝐞 𝐟𝐞𝐛𝐫𝐞𝐫𝐨 𝐝𝐞 𝟐𝟎𝟐𝟔

Los 33 Estados Miembros del OPANAL ✍️⤴️

🇦🇬🇦🇷🇧🇸🇧🇧🇧🇿🇧🇴🇧🇷🇨🇱🇨🇴🇨🇷🇨🇺🇩🇲🇪🇨🇸🇻🇬🇩🇬🇹🇬🇾🇭🇹🇭🇳🇯🇲🇲🇽🇳🇮🇵🇦🇵🇾🇵🇪🇩🇴🇰🇳🇻🇨🇱🇨🇸🇷🇹🇹🇺🇾🇻🇪

Communiqué des États membres de l’Organisme pour l’interdiction des Armes Nucléaires en Amérique latine et dans les Cara...
14/02/2026

Communiqué des États membres de l’Organisme pour l’interdiction des Armes Nucléaires en Amérique latine et dans les Caraïbes (OPANAL) à l’occasion du 59ᵉ anniversaire du Traité de Tlatelolco

14 février 2026

Les 33 États membres de l’Organisme pour l’interdiction des armes nucléaires en Amérique latine et dans les Caraïbes (OPANAL)

🇦🇬🇦🇷🇧🇸🇧🇧🇧🇿🇧🇴🇧🇷🇨🇱🇨🇴🇨🇷🇨🇺🇩🇲🇪🇨🇸🇻🇬🇩🇬🇹🇬🇾🇭🇹🇭🇳🇯🇲🇲🇽🇳🇮🇵🇦🇵🇾🇵🇪🇩🇴🇰🇳🇻🇨🇱🇨🇸🇷🇹🇹🇺🇾🇻🇪

Dirección

Mexico City

Horario de Apertura

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Martes 9am - 5pm
Miércoles 9am - 5pm
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Viernes 9am - 2pm

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