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Parties to the Montreal Protocol to meet in Rome, Italy from 4-8 November 2019

What: 31st Meeting of the Parties to the Montreal Protocol

2019 Antarctic ozone hole smallest on record

Scientists from NASA and NOAA work together to track the ozone layer throughout the year and determine when the hole

Women making their mark in the cooling sector

The refrigeration and air-condition sector may not immediately strike you as a particularly popular career choice for

Ozone Secretariat walks the talk on carbon neutrality

The Secretariat of the Vienna Convention and its Montreal Protocol, which protect the ozone layer a

Women in science for ozone protection

International Day of Women and Girls in Science was marked globally on 11 February.

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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