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Arctic ozone hole closes

New data suggests that the record ozone hole discovered over the Arctic in March is now closed.

iPIC system helps prevent an illegal shipment of 72 tonnes of HCFC-22

An information sharing platform known as the informal Prior Informed Consent (iPIC) system is helping countries enfor

Message from the Secretariat on COVID-19

The global corona virus pandemic is a concern for us all and is a reality to all of us, no matter where we live

International Women's Day 8 March

Twenty-five years ago, the Beijing Platform

Women working for the Montreal Protocol to protect the ozone

International Day of Women and Girls in Science is marked every year on 11 February.

New Report Highlights Two-Way Link Between Ozone Layer and Climate Change

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

Ozone Treaty Anniversary Gifts Big Birthday Present to Human Health and Combating of Climate Change

Timor-Leste Makes Montreal Protocol First Global Environmental Agreement to Achieve Universal Ratification

Record Stratospheric Ozone Loss in the Arctic in Spring of 2011

Governments Agree to Accelerated ‘Freeze and Phase-out” of Ozone and Climate- Damaging Chemicals at Montreal

New Report Projects Later Recovery of Ozone Layer

BUT EARLY SIGNS OF MENDING CONFIRM EFFECTIVENESS OF MONTREAL PROTOCOL ON SUBSTANCES THAT DEPLETE THE OZONE LA

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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

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