WORLD OZONE DAY THEME - 2026: Global action for a cooler planet
Celebrating 10 years of sustainable cooling under the Kigali Amendment to the Montreal Protocol
Global action for a cooler planet celebrates the Montreal Protocol and the transformative impact of its Kigali Amendment ten years after adoption. The Montreal Protocol has demonstrated that science based policy, universal participation, strong compliance, dedicated financing, and effective partnerships can deliver real and measurable results. Through these elements, the treaty has not only protected the ozone layer but also enabled countries and industries to transition to safer, more sustainable alternatives while supporting economic development. Continue reading...
BACKGROUND TO WORLD OZONE DAY 
On 19 December 1994, the United Nations General Assembly proclaimed 16 September as the International Day for the Preservation of the Ozone Layer, commemorating the date in 1987 when the Montreal Protocol on Substances that Deplete the Ozone Layer was signed.
States are invited to devote the Day each year to promote, at the national level, activities in accordance with the objectives of the Montreal Protocol and its amendments.
PREVIOUS WOD CAMPAIGNS
2025 World Ozone Day
2024 World Ozone Day
2023 World Ozone Day
2022 World Ozone Day
Celebrating World Ozone Day Around the Globe - 2022 - Country activities
2021 World Ozone Day
Celebrating World Ozone Day Around the Globe - 2021 - Country activities
2020 World Ozone Day
2019 World Ozone Day
2018 World Ozone Day
2017 World Ozone Day
