Resources

Ref:  Oz.Sec/VCTF Monitoring                                                           Fecha: 22 de diciembre de 2025

Estimado Señor/Distinguida Señora:

La Secretaría del Ozono se complace en adjuntar a la presente comunicación, para su atención, una carta del Secretaria Ejecutiva sobre el Fondo fiduciario general para financiar las actividades de investigación y observaciones sistemáticas de interés para el Convenio de Viena: informe anual de actualización sobre los progresos e invitación a efectuar contribuciones. 

Tenga en cuenta que la versión en inglés se envió el 21 de noviembre de 2025.

Atentamente, 

====

Secretaría del Ozono  

UN Environment Programme
P.O. Box 30552 (00100)  
Nairobi, Kenya  
Telephone: +254 20 762 3611  
mea-ozoneinfo@un.org  
www.ozone.unep.org 

Ref:  Oz.Sec/VCTF Monitoring                                                                    Date: Le 22 décember 2025

Madame/Monsieur,

Le Secrétariat de l'ozone a le plaisir d'attacher, à votre attention, une lettre du Secrétaire exécutive sur le Fonds d’affectation spéciale général destiné à financer des activités de recherche et d’observations systématiques au titre de la Convention de Vienne : rapport d’activité annuel et appel à contributions.

Veuillez noter que la version anglaise a été envoyée le 21 novembre 2025.

Cordialement, 

====

Secrétariat de l'ozone 

UN Environment Programme
P.O. Box 30552 (00100)  
Nairobi, Kenya  
Telephone: +254 20 762 3611  
mea-ozoneinfo@un.org  
https://ozone.unep.org

Ref:  Oz.Sec/Season's greetings 2026                                                   Date: 18 December 2025

Dear parties and friends of the Vienna Convention and the Montreal Protocol,

As we approach the close of another productive year for the ozone treaties, I would like to take a moment to reflect on our shared achievements.

2025 marked a historic milestone—the 40th anniversary of the Vienna Convention. This anniversary was celebrated throughout the year and culminated in a special documentary screening and a science panel discussion during the Thirty-Seventh Meeting of the Parties to the Montreal Protocol (MOP37). If you missed this highlight, watch it here.

Our collective efforts during the forty-seventh meeting of the Open-ended Working Group in Bangkok and MOP37 in Nairobi resulted in the adoption of 23 decisions. These include key actions on strengthening global and regional atmospheric monitoring of controlled substances, addressing emissions of HFC-23, end-of-life refrigerant management, the terms of reference for the MLF replenishment study, and reviewing Montreal Protocol operations — among many others. 

Parties also agreed to continue the conversation on further strengthening Montreal Protocol institutions, building on discussions at the informal meeting held prior to MOP37.

Despite the uncertainties and challenges of this year, your dedication and collaboration ensured delivery on many key areas of the ozone treaties in 2025. On behalf of the Secretariat, thank you for your commitment and hard work.

A video review and round-up of 2025, highlighting major events and achievements has been created and is available on our website and across our social media platforms: YouTube, LinkedIn, Instagram, Facebook, X, Threads, and BlueSky.

Wishing you a joyful festive season with your loved ones and continued success in 2026.

Yours sincerely,

====

Megumi Seki Nakamura
Executive Secretary
Ozone Secretariat

UN Environment Programme
P.O.Box 30552-00100
Nairobi, Kenya

Telephone: +254 20 762 3452
Email: meg.seki@un.org
Website:  http://ozone.unep.org

Ref:  Oz.Sec/OEWG48/ExMOP6/IMPCOM76  

Date: 5 December 2025

Sir/Madam,

I have the honour to inform you of the following:

• The forty-eighth meeting of the Open-ended Working Group of the Parties to the Montreal Protocol on Substances that Deplete the Ozone Layer (OEWG48) will take place at the United Nations Conference Centre in Bangkok, Thailand from 13 to 17 July 2026.
• In accordance with decision XXXVII/21 adopted by the Thirty-Seventh Meeting of the Parties to the Montreal Protocol, the Sixth Extraordinary Meeting of the Parties (ExMOP6) will be organized during OEWG48. ExMOP6 will take place on Tuesday, 14 July 2026, at the same venue in Bangkok.
• The seventy-sixth meeting of the Implementation Committee under the Non-Compliance Procedure for the Montreal Protocol (ImpCom76) will take place on Saturday, 18 July and Sunday, 19 July 2026. ImpCom76 will also take place at the same venue.

Further information on these meetings and meeting documents as they become available, will be posted on the relevant meeting portals on the Secretariat website.

Please accept, Sir/Madam, the assurances of my highest consideration.

====

Megumi Seki Nakamura
Executive Secretary

UN Environment Programme
P.O.Box 30552-00100
Nairobi, Kenya

Telephone: +254 20 762 3611
Email: meg.seki@un.org
Website:  http://ozone.unep.org

The year 2025 marks the fortieth anniversary of the signing of the Vienna Convention in 1985 and the fiftieth anniversary of the 1975 WMO statement “Modification of the ozone layer due to human activities and some possible geophysical consequences". Prepared by a group of international experts, this declaration recognized the potential danger of damage to the ozone layer and called for an intensive programme of research and observations to be carried out under the leadership of WMO.

Estimado Señor/Estimada Señora:

Se adjunta la 37ª reunión de las partes en el Protocolo de Montreal relativo a las sustancias que agotan la capa de ozono (del 3 al 7 de noviembre de 2025), y la reunión informal sobre la facilitación de la aplicación del Protocolo de Montreal (2 de noviembre de 2025) que se celebrará en Nairobi.

La guía paso a paso sobre el uso del sistema de registro está disponible haciendo clic aquí. El sistema ya contiene información sobre los delegados que han asistido a reuniones anteriores del Convenio de Viena y del Protocolo de Montreal. Por favor actualice la información existente de ser necesario. Se deberá ingresar la información de los delegados que no hayan asistido a reuniones anteriores. Por favor asegúrese de proporcionar una dirección de correo electrónico válida para cada uno de sus representantes. El correo electrónico ingresada en el sistema se utilizará para enviar la notificación de registro y el pase de reunión, con el código QR único al representante.

Atentamente,
Secretaría del Ozono
mea-ozoneinfo@un.org
https://ozone.unep.org

Dear Sir/Madam,

Please find attached the invitation for the Thirty-Seventh Meeting of the Parties to the Montreal Protocol on Substances that Deplete the Ozone Layer (3 to 7 November 2025) and the informal meeting of the parties on facilitating the implementation of the Montreal Protocol (2 November 2025), to be held in Nairobi.

The step-by-step guide on the use of the registration system is available here. The system already contains information on participants who have attended previous meetings of the Vienna Convention and the Montreal Protocol. Please update the existing information as necessary. Information will need to be entered into for representatives who have not attended past meetings. Please ensure that you provide a valid email address for each of your representatives. The email address entered in the system will be used to dispatch registration notification and the meeting pass, with the unique QR code, to the representative.

Yours sincerely,
Ozone Secretariat
mea-ozoneinfo@un.org
https://ozone.unep.org

Madame/Monsieur,

Veuillez trouver ci-joint l'invitation à la Trente-septième réunion des Parties au Protocole de Montréal relatif à des substances qui appauvrissent la couche d'ozone (du 3 au 7 novembre 2025) et la réunion informelle sur la facilitation de la mise en œuvre du Protocole de Montréal (le 2 novembre 2025) qui se tiendra à Nairobi.

Le guide détaillé sur l’utilisation du système d'enregistrement est disponible ici. Le système contient déjà des informations sur les délégués ayant assisté aux réunions précédentes de la Convention de Vienne et du Protocole de Montréal. Merci de mettre à jour ces informations si nécessaire. Pour les délégués qui n’ont pas assisté aux réunions précédentes, veuillez saisir leurs informations. Il est important de fournir un courrier électronique valide pour chacun de vos représentants. Le courrier électronique saisie dans le système sera utilisée pour envoyer la notification d'inscription et le laisser-passer de réunion, avec le code QR unique au représentant.

Cordialement,
Secrétariat de l'ozone
mea-ozoneinfo@un.org
https://ozone.unep.org

Free trade zones (FTZ) and trans-shipment operations are trade facilitation mechanisms designed to enhance efficiency of trade and attract investment. Permitted operations within FTZ, including trans-shipment, which can involve repackaging, relabelling, reloading, assembling and manufacturing goods, combined with more relaxed procedures and limited oversight, can also open doors for fraudulent activities. This is particularly concerning for trade in environmentally sensitive commodities such as wildlife and timber products, hazardous chemicals and waste including e-waste or plastic waste, which are governed by legally binding provisions of different multilateral environmental agreements (MEAs), and related national laws.

The Atmospheric Chemistry Experiment–Fourier Transform Spectrometer (ACE-FTS) on SCISAT-1 and Microwave Limb Sounder (MLS) on NASA’s Aura satellite have contributed significantly to understanding the impacts of human activities on the stratospheric ozone layer.