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Combating the illegal trade of substances that impact ozone layer recovery

For over thirty years, parties to the Montreal Protocol, a multilateral environmental agreement (MEA), have controlle

Janusz Kozakiewicz

The Montreal Protocol Secretariat is very sad to hear of the passing of Professor Janusz Kozakiewicz, who was often c

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’.

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

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

Countries Set to Start Working on the Dubai Pathway to Reduce HFCs under the Montreal Protocol

Who: Parties to the Montreal Protocol on Substances that Deplete the Ozone Layer

Montreal Protocol Parties Discuss HFC Management Issues and Agree to Continue Exploring Ways Forward

Bangkok, 24 April 2015 – Parties to the Montreal Protocol on Substances that Deplete the Ozone Layer

Ozone Layer on Track to Recovery: Success Story Should Encourage Action on Climate

Nairobi/Geneva, 10 September 2014 (UNEP/WMO) - The Earth's protective ozone layer is well on track t

Record Stratospheric Ozone Loss in the Arctic in Spring of 2011

GENEVA 5 APRIL 2011 (WMO) ­ Depletion of the ozone layer ­ the shield that protects life on Earth fr

New Report Highlights Two-Way Link Between Ozone Layer and CC

Geneva/Nairobi, 16 September 2010 – International efforts to protect the ozone layer—the shield that

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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 ...