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New to ozone?

Or perhaps you're familiar
and just want to learn more

The Ozone and You section
is the place to start.

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Upcoming Meetings
Bangkok, Thailand | 5 and 6 July 2025
Bangkok, Thailand | 7 - 11 July 2025
Nairobi, Kenya | 31 October and 1 November
Nairobi, Kenya | 1 November 2025
Nairobi, Kenya | 2 November 2025
Nairobi, Kenya | 3 - 7 Nov 2025
Upcoming Meetings
Venue - to be determined | 11 Jul 2026
Venue - to be determined | 13 - 17 Jul 2026
Venue - to be determined | TBD
Venue - to be determined | TBD
Venue - to be determined | 2 – 6 Nov 2026
Upcoming Meetings
Venue - to be determined | TBD
Venue - to be determined | 26 - 30 June 2028
Venue - to be determined | TBD
Venue - to be determined | TBD
Venue - to be determined | 23 - 27 October 2028

Treaties

The Montreal Protocol on Substances that Deplete the Ozone Layer EN | ES | FR
The Montreal Protocol on Substances that Deplete the Ozone Layer

The Montreal Protocol on Substances that Deplete the Ozone Layer is a global agreement to protect the Earth’s ozone layer by phasing out the chemicals that deplete it. This phase-out plan includes both the production and consumption of ozone-depleting substances. The landmark agreement was signed in 1987 and entered into force in 1989.

 EN | ES | FR
The Montreal Protocol on Substances that Deplete the Ozone Layer

The Montreal Protocol on Substances that Deplete the Ozone Layer is a global agreement to protect the Earth’s ozone layer by phasing out the chemicals that deplete it. This phase-out plan includes both the production and consumption of ozone-depleting substances. The landmark agreement was signed in 1987 and entered into force in 1989.

The Vienna Convention for the Protection of the Ozone Layer  EN | ES | FR
The Vienna Convention for the Protection of the Ozone Layer

When did we realize ozone depletion was an issue, and how did we fix it? By 1985, the globe had already seen advancements in the scientific understanding of ozone depletion and its impacts on human health and the environment. It was then that the Vienna Convention for the Protection of the Ozone Layer was created in response.

  EN | ES | FR
The Vienna Convention for the Protection of the Ozone Layer

When did we realize ozone depletion was an issue, and how did we fix it? By 1985, the globe had already seen advancements in the scientific understanding of ozone depletion and its impacts on human health and the environment. It was then that the Vienna Convention for the Protection of the Ozone Layer was created in response.

Assessment Panel Overview