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Kigali Amendment Ratifications: An update

Phasing down climate warming refrigerants and adopting energy efficient technology at the same time in the cooling se

Montreal Protocol delegates discuss and adopt decisions to address ozone layer protection and other environmental challenges

BANGKOK, 5 NOVEMBER 2024 - Parties to the Vienna Convention and the Montreal Protocol and other stak

2024 Ozone Hole Ranked 7th-Smallest Since Recovery Began

To monitor the state and recovery of the ozone layer, each year, the final diameter and depth of a ‘hole’ that opens

International Day of the Girl 2024

This year’s International Day of the Girl theme is ‘Girls’ vision for the future’.

International Women's Day

In a world where we are faced with numerous environmental crises that are putting immense pressure on our communities

Patrick McInerney

Patrick Mclnerney

1963 - 2024

International Day of Women and Girls in Science 2024

For International Day of Women & Girls in Science, celebrated each year on 11 February, we honour female scientis

WOD 2022 MP@35
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50 years of UNEP

The United Nations Environment Programme (UNEP) is celebrating its 50th anniversary in 2022.

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

The Montreal Protocol is one of the most successful universally ratified environmental treaties and example of succes

Montreal Protocol delegates meet again in person for the Thirty-Fourth Meeting of the Parties

MONTREAL 7 NOVEMBER 2022 - Parties and other stakeholders convened for the Thirty-Fourth Meeting of

Thirty-five years of successful ozone layer and climate protection

Montreal Protocol: Global cooperation protecting life on earth

Parties to the Vienna Convention and the Montreal Protocol meet and adopt 18 key decisions

Nairobi, 1 November 2021 – From 23 to 29 October 2021, parties and other stakeholders convened onlin

Parties to the Montreal Protocol continue online discussions on unexpected emissions of CFC-11 and energy efficiency

Nairobi, 20 July 2021 – From 14-17 July 2021, parties and other stakeholders to the Montreal Protoco

Parties to the Montreal Protocol make key decisions

What: Combined twelfth meeting of the Conference of the Parties (part I) and Thirty-Second Meeting o

Parties to the Montreal Protocol meet to take decisions on budget and other key issues

What: Combined twelfth meeting of the Conference of the Parties (part I) and Thirty-Second Meeting o

Featured

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

Montreal Protocol: Advancing Climate Action

Montreal Protocol: fixing the ozone layer and reducing climate change

Montreal Protocol - Global cooperation protecting life on earth

Montreal Protocol - Keeping us, our food and vaccines cool

Ozone for life: 35 years of ozone layer protection

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