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Ozone Secretariat walks the talk on carbon neutrality

The Secretariat of the Vienna Convention and its Montreal Protocol, which protect the ozone layer a

Women in science for ozone protection

International Day of Women and Girls in Science was marked globally on 11 February.

The Kigali Amendment: The New Year’s resolution we must not break
The New Year celebrations are now behind us and a return to work is looming together with our New Year’s resolutions.
Kigali Amendment implementation begins
The Kigali Amendment to the Montreal protocol will reduce the projected production and consumption of hydrofluorocarbons (HFCs) by more than 80 per cent over the next 30 years.
Ozone treaties carbon neutral for fourth straight year
The Ozone Secretariat has once again demonstrated its commitment to climate action by making its operations carbon neutral for the fourth consecutive year.
Assessment reveals healing ozone, untapped potential for climate action

Update, 1 Februrary 2019 - The full report of the 2018 Quadrennial Assessment of Ozone Depletion has

In 2017, the ozone hole's annual maximum set a record -- the smallest it's been since 1988

This year, the ozone hole's annual maximum set a record -- the smallest it's been since 1988.

Montreal Protocol 30th anniversary

Made on the occasion of the 30th anniversary of the Montreal Protocol

UN Secretary General: 30th Anniversary of Montreal Protocol

Made on the occasion of the 30th anniversary of the Montreal Protocol

The Hole - A film on the Montreal Protocol, narrated by Sir David Attenborough

Sir David Attenborough narrates the extraordinary history of the Montreal Protocol to raise awareness of the 28th Mee

Montreal Protocol Achievements

The Montreal Protocol on Substances that Deplete the Ozone Layer has led to significant environmental, health and eco

Precious Ozone - The Size of it

Space is closer than you think.

Ozone scientist Mario Molina honoured by UN for lifetime of achievement

Mexico's Molina - already a Nobel laureate - was instrumental in the identification of the Antarctic ozone hole...now

Assessment reveals healing ozone, untapped potential for climate action

Update, 1 Februrary 2019 - The full report of the 2018 Quadrennial Assessment of Ozone Depletion has

Increased research and observation crucial to efforts to continue to protect the ozone layer and climate

Top ozone experts from around the world highlighted the need for increased research and observations to inform policy

Countries begin preparing for implementation of the Kigali Amendment
At their 39th meeting in Bangkok from 11 to 14 July, the Open-Ended Working Group of the Parties to the Montreal Protocol
New ‘Ozone Heroes’ campaign celebrates efforts to protect all life on Earth

In honour of the 30th anniversary of the landmark Montreal Protocol on Substances that Deplete the Ozone L

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Kigali Amendment Kigali Amendment
Montreal protocol progress
Kigali Amendment

The Kigali Amendment to the Montreal Protocol entered into force on 1 January 2019 after the threshold for the agreement to enter into force was met on 17 November 2017, when it was ratified by 20 parties.

Working towards climate neutrality Working towards climate neutrality
Greening the blue
Working towards climate neutrality

The Ozone Secretariat is part of the UN’s “Greening the Blue” efforts to move towards climate neutrality. The Secretariat works towards climate neutrality by measuring the carbon footprint of Vienna Convention and Montreal Protocol meetings ...

World Ozone Day

32 years and healing

Keep cool and carry on

30th anniversary of the Montreal Protocol: we are all ozone heroes

Ozone and climate: restored by a world united

Precious ozone: 30th anniversary of the Vienna Convention and international ozone day 2015

Earlier celebrations of international ozone day