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50 years of UNEP

The United Nations Environment Programme (UNEP) is celebrating its 50th anniversary in 2022.

The Hole - A film on the Montreal Protocol, narrated by Sir David Attenborough

The Montreal Protocol is one of the most successful universally ratified environmental treaties and example of succes

Parties to the Montreal Protocol reunite in Bangkok

After two years of virtual meetings due to the COVID-19 pandemic, the parties to the Montreal Protocol on Substances

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,

Precious Ozone - The Climate Connection

This film shows the Protocol’s contribution to the protection of the climate and the greenhouse gas potential of som

Montreal Protocol and the SDGs

How will the Montreal Protocol contribute to delivering on the 2030 Agenda for Sustainable Development?

Montreal Protocol Achievements

The Montreal Protocol on Substances that Deplete the Ozone Layer has led to significant environmental, health and eco

Precious Ozone - The Size of it

Space is closer than you think.

Ozone scientist Mario Molina honoured by UN for lifetime of achievement

Mexico's Molina - already a Nobel laureate - was instrumental in the identification of the Antarctic ozone hole...now

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 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

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