Montreal Protocol Ozone Secretariat
@unepozone.bsky.social
The ozone layer, an invisible shield around the Earth protects all living things from the effects of the sun’s harmful ultraviolet radiation. Through the Protocol’s Kigali Amendment, countries are helping to avoid an estimated 0.5°C of warming by 2100.
2025 Antarctic ozone hole among smallest in decades. The ozone hole this year was relatively modest in size, ranking as the 5th smallest since 1992. Scientists attribute this to global action under the #MontrealProtocol 🌎
For the full summary: bit.ly/48ii3K8
#OzoneAction is #GlobalAction
For the full summary: bit.ly/48ii3K8
#OzoneAction is #GlobalAction
November 25, 2025 at 7:10 AM
2025 Antarctic ozone hole among smallest in decades. The ozone hole this year was relatively modest in size, ranking as the 5th smallest since 1992. Scientists attribute this to global action under the #MontrealProtocol 🌎
For the full summary: bit.ly/48ii3K8
#OzoneAction is #GlobalAction
For the full summary: bit.ly/48ii3K8
#OzoneAction is #GlobalAction
🧭 Navigating your way through childhood can be tough without worrying about the planet!* Great news: the Montreal Protocol has got your back and is saving the ozone layer. Phew! One less worry! Striving for happy children on #WorldChildrensDay 🎉
*Climate anxiety in children is real bit.ly/43yvjJ2
*Climate anxiety in children is real bit.ly/43yvjJ2
November 19, 2025 at 2:11 PM
🧭 Navigating your way through childhood can be tough without worrying about the planet!* Great news: the Montreal Protocol has got your back and is saving the ozone layer. Phew! One less worry! Striving for happy children on #WorldChildrensDay 🎉
*Climate anxiety in children is real bit.ly/43yvjJ2
*Climate anxiety in children is real bit.ly/43yvjJ2
Exciting progress: Mauritania 🇲🇷 has become the 170th party to ratify the Kigali Amendment 👏 and will commence with the phase down of HFCs and adopting more energy efficient cooling technology ❄️
Only 28 parties remain before we reach full ratification. For the latest update: ozone.unep.org
Only 28 parties remain before we reach full ratification. For the latest update: ozone.unep.org
November 13, 2025 at 11:20 AM
Exciting progress: Mauritania 🇲🇷 has become the 170th party to ratify the Kigali Amendment 👏 and will commence with the phase down of HFCs and adopting more energy efficient cooling technology ❄️
Only 28 parties remain before we reach full ratification. For the latest update: ozone.unep.org
Only 28 parties remain before we reach full ratification. For the latest update: ozone.unep.org
📯 SIDE EVENTS starting in earnest at #MOP37. We have 6 daily, starting with 3 side events during the plenary lunchtime break.
For the full list of organisers, event descriptions and timings please check bit.ly/4hDNzpZ
#OzoneAction #GlobalAction 🌿
For the full list of organisers, event descriptions and timings please check bit.ly/4hDNzpZ
#OzoneAction #GlobalAction 🌿
November 1, 2025 at 12:33 PM
📯 SIDE EVENTS starting in earnest at #MOP37. We have 6 daily, starting with 3 side events during the plenary lunchtime break.
For the full list of organisers, event descriptions and timings please check bit.ly/4hDNzpZ
#OzoneAction #GlobalAction 🌿
For the full list of organisers, event descriptions and timings please check bit.ly/4hDNzpZ
#OzoneAction #GlobalAction 🌿
📯 UPCOMING SIDE EVENTS at #MOP37
For the full list of organisers, event descriptions and timings please check bit.ly/4hDNzpZ
#OzoneAction #GlobalAction 🌿
For the full list of organisers, event descriptions and timings please check bit.ly/4hDNzpZ
#OzoneAction #GlobalAction 🌿
October 31, 2025 at 9:11 AM
📯 UPCOMING SIDE EVENTS at #MOP37
For the full list of organisers, event descriptions and timings please check bit.ly/4hDNzpZ
#OzoneAction #GlobalAction 🌿
For the full list of organisers, event descriptions and timings please check bit.ly/4hDNzpZ
#OzoneAction #GlobalAction 🌿
More great news for the weekend with Pakistan 🇵🇰 confirmed as the 169th party to ratify the Kigali Amendment 👏 Fantastic news. Why? Because this incredible cooling tool could potentially avoid up to 1°C in avoided warming by the end of this century! ozone.unep.org
#MontrealProtocol #GlobalAction
#MontrealProtocol #GlobalAction
October 24, 2025 at 12:49 PM
More great news for the weekend with Pakistan 🇵🇰 confirmed as the 169th party to ratify the Kigali Amendment 👏 Fantastic news. Why? Because this incredible cooling tool could potentially avoid up to 1°C in avoided warming by the end of this century! ozone.unep.org
#MontrealProtocol #GlobalAction
#MontrealProtocol #GlobalAction
For 40 years, the ozone treaties have safeguarded life on Earth by protecting the ozone layer 🌏
On #UNDay @unepozone.bsky.social reaffirms its commitment to supporting the work of the ozone treaties to deliver for people and planet 🌿 bit.ly/4qrrsqG
#OzoneAction #GlobalAction #UN80
On #UNDay @unepozone.bsky.social reaffirms its commitment to supporting the work of the ozone treaties to deliver for people and planet 🌿 bit.ly/4qrrsqG
#OzoneAction #GlobalAction #UN80
October 24, 2025 at 7:08 AM
For 40 years, the ozone treaties have safeguarded life on Earth by protecting the ozone layer 🌏
On #UNDay @unepozone.bsky.social reaffirms its commitment to supporting the work of the ozone treaties to deliver for people and planet 🌿 bit.ly/4qrrsqG
#OzoneAction #GlobalAction #UN80
On #UNDay @unepozone.bsky.social reaffirms its commitment to supporting the work of the ozone treaties to deliver for people and planet 🌿 bit.ly/4qrrsqG
#OzoneAction #GlobalAction #UN80
At @unepozone.bsky.social we encourage the parties to the #MontrealProtocol due to attend #MOP37 to bring their own water bottles so that we can ensure our meetings do not contribute to the use of and build up of unnecessary singe-use plastic waste bit.ly/3WUnklu 🌿
#OzoneAction #GlobalAction
#OzoneAction #GlobalAction
October 22, 2025 at 1:14 PM
At @unepozone.bsky.social we encourage the parties to the #MontrealProtocol due to attend #MOP37 to bring their own water bottles so that we can ensure our meetings do not contribute to the use of and build up of unnecessary singe-use plastic waste bit.ly/3WUnklu 🌿
#OzoneAction #GlobalAction
#OzoneAction #GlobalAction
Great news for the weekend! The CAR 🇨🇫 has just become the 168th party to ratify the Kigali Amendment 👏 With only 30 countries to go this is fantastic. Why? Because this incredible cooling tool could avoid up to 1°C in avoided warming by end of 2100! ozone.unep.org 🌍
#MontrealProtocol #GlobalAction
#MontrealProtocol #GlobalAction
October 17, 2025 at 7:24 AM
Great news for the weekend! The CAR 🇨🇫 has just become the 168th party to ratify the Kigali Amendment 👏 With only 30 countries to go this is fantastic. Why? Because this incredible cooling tool could avoid up to 1°C in avoided warming by end of 2100! ozone.unep.org 🌍
#MontrealProtocol #GlobalAction
#MontrealProtocol #GlobalAction
We are looking forward to hosting delegates for the 37th Meeting of the Parties to the #MontrealProtocol due to be held in Nairobi, Kenya from 3-7 November 2025.
For updates meeting information, side events and updates follow us on social media or bit.ly/4okCAE8
#OzoneAction is #GlobalAction 🌍
For updates meeting information, side events and updates follow us on social media or bit.ly/4okCAE8
#OzoneAction is #GlobalAction 🌍
October 15, 2025 at 2:03 PM
We are looking forward to hosting delegates for the 37th Meeting of the Parties to the #MontrealProtocol due to be held in Nairobi, Kenya from 3-7 November 2025.
For updates meeting information, side events and updates follow us on social media or bit.ly/4okCAE8
#OzoneAction is #GlobalAction 🌍
For updates meeting information, side events and updates follow us on social media or bit.ly/4okCAE8
#OzoneAction is #GlobalAction 🌍
This year, on #DayOfTheGirl we celebrate girls not just for who they are, but for the change they lead.
Living in a dystopian future ravaged by environmental collapse, Knox embodies courage, resilience and the power of youth-led action. This is her story bit.ly/4oh6ARm
#ResetEarth
Living in a dystopian future ravaged by environmental collapse, Knox embodies courage, resilience and the power of youth-led action. This is her story bit.ly/4oh6ARm
#ResetEarth
October 10, 2025 at 11:01 AM
This year, on #DayOfTheGirl we celebrate girls not just for who they are, but for the change they lead.
Living in a dystopian future ravaged by environmental collapse, Knox embodies courage, resilience and the power of youth-led action. This is her story bit.ly/4oh6ARm
#ResetEarth
Living in a dystopian future ravaged by environmental collapse, Knox embodies courage, resilience and the power of youth-led action. This is her story bit.ly/4oh6ARm
#ResetEarth
Les incroyables ressources éducatives gratuites #ResetEarth telles que les manuels de l'enseignant, les cahiers d'exercices des élèves, les jeux et les vidéos sont désormais également disponibles en français !
👀 ➡️ bit.ly/3VQZcjm
#WorldTeacherDay 🍎 🎓
👀 ➡️ bit.ly/3VQZcjm
#WorldTeacherDay 🍎 🎓
October 6, 2025 at 5:18 AM
Les incroyables ressources éducatives gratuites #ResetEarth telles que les manuels de l'enseignant, les cahiers d'exercices des élèves, les jeux et les vidéos sont désormais également disponibles en français !
👀 ➡️ bit.ly/3VQZcjm
#WorldTeacherDay 🍎 🎓
👀 ➡️ bit.ly/3VQZcjm
#WorldTeacherDay 🍎 🎓
📢 ¡Buenas noticias! Los materiales educativos de #ResetEarth ya están disponibles en español. 🌎
🎒 Recursos gratuitos para aprender sobre la capa de ozono y el medio ambiente: cómics, juegos, videos y más.
👉 ¡Perfectos para el aula y grupos juveniles!
👀 ➡️ ozone.unep.org/reset-earth-...
🎒 Recursos gratuitos para aprender sobre la capa de ozono y el medio ambiente: cómics, juegos, videos y más.
👉 ¡Perfectos para el aula y grupos juveniles!
👀 ➡️ ozone.unep.org/reset-earth-...
October 3, 2025 at 4:54 AM
📢 ¡Buenas noticias! Los materiales educativos de #ResetEarth ya están disponibles en español. 🌎
🎒 Recursos gratuitos para aprender sobre la capa de ozono y el medio ambiente: cómics, juegos, videos y más.
👉 ¡Perfectos para el aula y grupos juveniles!
👀 ➡️ ozone.unep.org/reset-earth-...
🎒 Recursos gratuitos para aprender sobre la capa de ozono y el medio ambiente: cómics, juegos, videos y más.
👉 ¡Perfectos para el aula y grupos juveniles!
👀 ➡️ ozone.unep.org/reset-earth-...
Did you know, implementing the Montreal Protocol's Kigali Amendment, helps reduce the 30% of food lost and wasted each year?
🍲 more produce to market while still fresh #SDG2
💵 improving livelihoods #SDG1
🩺 well health #SDG3
🌿 protecting the climate #SDG13
#MontrealProtocol #GlobalAction #IDAFLW
🍲 more produce to market while still fresh #SDG2
💵 improving livelihoods #SDG1
🩺 well health #SDG3
🌿 protecting the climate #SDG13
#MontrealProtocol #GlobalAction #IDAFLW
September 29, 2025 at 6:31 AM
Did you know, implementing the Montreal Protocol's Kigali Amendment, helps reduce the 30% of food lost and wasted each year?
🍲 more produce to market while still fresh #SDG2
💵 improving livelihoods #SDG1
🩺 well health #SDG3
🌿 protecting the climate #SDG13
#MontrealProtocol #GlobalAction #IDAFLW
🍲 more produce to market while still fresh #SDG2
💵 improving livelihoods #SDG1
🩺 well health #SDG3
🌿 protecting the climate #SDG13
#MontrealProtocol #GlobalAction #IDAFLW
The ozone hole was real. The danger was global.
World leaders acted together, and the ozone layer is healing.
This World Ozone Day, we celebrate what science and cooperation can achieve. 🌍
#WorldOzoneDay #GlobalAction
@unep.org @bas.ac.uk
World leaders acted together, and the ozone layer is healing.
This World Ozone Day, we celebrate what science and cooperation can achieve. 🌍
#WorldOzoneDay #GlobalAction
@unep.org @bas.ac.uk
September 16, 2025 at 2:15 PM
The ozone hole was real. The danger was global.
World leaders acted together, and the ozone layer is healing.
This World Ozone Day, we celebrate what science and cooperation can achieve. 🌍
#WorldOzoneDay #GlobalAction
@unep.org @bas.ac.uk
World leaders acted together, and the ozone layer is healing.
This World Ozone Day, we celebrate what science and cooperation can achieve. 🌍
#WorldOzoneDay #GlobalAction
@unep.org @bas.ac.uk
Nigeria is hosting an event to commemorate #WorldOzoneDay recognising officials who have contributed to ozone layer protection in Nigeria.
📅 Sep 16, 2025
⏰ 09:00 AM West Central Africa
Join Zoom Meeting bit.ly/4noraPP
#MontrealProtocol #Science #GlobalAction
📅 Sep 16, 2025
⏰ 09:00 AM West Central Africa
Join Zoom Meeting bit.ly/4noraPP
#MontrealProtocol #Science #GlobalAction
September 16, 2025 at 5:17 AM
Nigeria is hosting an event to commemorate #WorldOzoneDay recognising officials who have contributed to ozone layer protection in Nigeria.
📅 Sep 16, 2025
⏰ 09:00 AM West Central Africa
Join Zoom Meeting bit.ly/4noraPP
#MontrealProtocol #Science #GlobalAction
📅 Sep 16, 2025
⏰ 09:00 AM West Central Africa
Join Zoom Meeting bit.ly/4noraPP
#MontrealProtocol #Science #GlobalAction
In 1985, the Vienna Convention set the stage for fixing the ozone hole.
It showed the power of countries coming together around science. A model we still need today.
#WorldOzoneDay #MontrealProtocol #GlobalAction
It showed the power of countries coming together around science. A model we still need today.
#WorldOzoneDay #MontrealProtocol #GlobalAction
September 15, 2025 at 1:55 PM
In 1985, the Vienna Convention set the stage for fixing the ozone hole.
It showed the power of countries coming together around science. A model we still need today.
#WorldOzoneDay #MontrealProtocol #GlobalAction
It showed the power of countries coming together around science. A model we still need today.
#WorldOzoneDay #MontrealProtocol #GlobalAction
Costa Rica 🇨🇷 celebrating hashtag#WorldOzoneDay with an event at Colegio Técnico Profesional de Cañas taking place on 25 September 2025. See flyer for more details.
#MontrealProtocol #Science #GlobalAction
#MontrealProtocol #Science #GlobalAction
September 15, 2025 at 7:23 AM
Costa Rica 🇨🇷 celebrating hashtag#WorldOzoneDay with an event at Colegio Técnico Profesional de Cañas taking place on 25 September 2025. See flyer for more details.
#MontrealProtocol #Science #GlobalAction
#MontrealProtocol #Science #GlobalAction
📢 Grenada 🇬🇩 is hosting a series of activities throughout the week of September 15–19 to mark #WorldOzoneDay - see poster for more details and contact information.
September 15, 2025 at 6:10 AM
📢 Grenada 🇬🇩 is hosting a series of activities throughout the week of September 15–19 to mark #WorldOzoneDay - see poster for more details and contact information.
Many congratulations and thank you to the Kingdom of Saudi Arabia 🇸🇦 for becoming the 166th and latest party to ratify the Kigali Amendment. Phasing down climate warming HFCs combined with improving energy efficiencies in the cooling sector can avoid significant further warming 🌿
#MontrealProtocol
#MontrealProtocol
September 12, 2025 at 3:12 PM
Many congratulations and thank you to the Kingdom of Saudi Arabia 🇸🇦 for becoming the 166th and latest party to ratify the Kigali Amendment. Phasing down climate warming HFCs combined with improving energy efficiencies in the cooling sector can avoid significant further warming 🌿
#MontrealProtocol
#MontrealProtocol
On this #WorldOzoneDay we also celebrate the science that in the 1970s warned of a looming environmental crisis and the ozone treaties that continue to protect the ozone layer & environment to this day 🌿 Science it not cheap, but its value is beyond measure #MontrealProtocol #Science #GlobalAction
September 12, 2025 at 6:52 AM
On this #WorldOzoneDay we also celebrate the science that in the 1970s warned of a looming environmental crisis and the ozone treaties that continue to protect the ozone layer & environment to this day 🌿 Science it not cheap, but its value is beyond measure #MontrealProtocol #Science #GlobalAction
Big discoveries begin with small measurements.
In Antarctica, scientists measured the ozone hole, and changed the world.
@bas.ac.uk #MontrealProtocol #OzoneLayer
In Antarctica, scientists measured the ozone hole, and changed the world.
@bas.ac.uk #MontrealProtocol #OzoneLayer
September 11, 2025 at 9:51 AM
Big discoveries begin with small measurements.
In Antarctica, scientists measured the ozone hole, and changed the world.
@bas.ac.uk #MontrealProtocol #OzoneLayer
In Antarctica, scientists measured the ozone hole, and changed the world.
@bas.ac.uk #MontrealProtocol #OzoneLayer
On #WorldOzoneDay we celebrate the achievements of the Montreal Protocol. Thanks to the parties that implement it, the ozone layer is being protected and will eventually heal. For more ozone treaties successes bit.ly/4m5rrFx
#MontrealProtocol #Science #GlobalAction
#MontrealProtocol #Science #GlobalAction
September 10, 2025 at 5:51 AM
On #WorldOzoneDay we celebrate the achievements of the Montreal Protocol. Thanks to the parties that implement it, the ozone layer is being protected and will eventually heal. For more ozone treaties successes bit.ly/4m5rrFx
#MontrealProtocol #Science #GlobalAction
#MontrealProtocol #Science #GlobalAction
In an increasingly hot world, every fraction of avoided warming is a huge win and one we are proud to celebrate on #WorldOzoneDay. By phasing out nearly all ODSs, the #MontrealProtocol has helped avoid global warming of approximately 0.5-1 °C by mid-century 🌿 bit.ly/4paCiRq
#Science #GlobalAction
#Science #GlobalAction
September 8, 2025 at 12:18 PM
In an increasingly hot world, every fraction of avoided warming is a huge win and one we are proud to celebrate on #WorldOzoneDay. By phasing out nearly all ODSs, the #MontrealProtocol has helped avoid global warming of approximately 0.5-1 °C by mid-century 🌿 bit.ly/4paCiRq
#Science #GlobalAction
#Science #GlobalAction
📅 Webinar TOMORROW 9 September 📢 Free trade zones are designed to enhance efficiency of trade. The webinar will focus on improved customs and inter-agency cooperation to monitor the trade in commodities such as wildlife, chemicals & waste.
To register bit.ly/4lYbh0B
#GreenCustoms #illegaltrade
To register bit.ly/4lYbh0B
#GreenCustoms #illegaltrade
September 8, 2025 at 7:22 AM
📅 Webinar TOMORROW 9 September 📢 Free trade zones are designed to enhance efficiency of trade. The webinar will focus on improved customs and inter-agency cooperation to monitor the trade in commodities such as wildlife, chemicals & waste.
To register bit.ly/4lYbh0B
#GreenCustoms #illegaltrade
To register bit.ly/4lYbh0B
#GreenCustoms #illegaltrade