Update, 1 Februrary 2019 - The full report of the 2018 Quadrennial Assessment of Ozone Depletion has
Top ozone experts from around the world highlighted the need for increased research and observations to inform policy
The Montreal Protocol, the international treaty that saved the ozone layer, has been keeping our planet cool for year
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.
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 ...