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Continental-scale contributions to the global CFC-11 emission increase between 2012 and 2017

CFC-11 made headlines in 2018 when scientists alerted the world of an

Women of the Montreal Protocol making a difference

The theme of this year’s International Women’s Day, “Gender equality today for a sustainable tomorrow

Launch of the online introductory course ‘International legal framework on ozone layer protection’

Designed for government representatives and national stakeholders new to the Vienna Convention and Montreal Protocol,

Ozone Secretariat launches free teacher toolkits to teach tweens importance of ozone layer and environmental protection

Nairobi, Kenya, 24 January 2022 - In support of World Education Day and teachers looking for new mat

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

Countries commit to protect the ozone layer and climate under the Montreal Protocol

Rome, 8 November 2019 – Delegates representing 171 parties to the Montreal Protocol concluded their

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

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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

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