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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.

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

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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 - 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