International Day for the Preservation of the Ozone Layer 2021

16 September 2021

worldwide

Joint 12th Meeting of the Conference of the Parties to the Vienna Convention and 32nd Meeting of the Parties to the Montreal Protocol

23-27 November 2020

virtual

International Day for the Preservation of the Ozone Layer 2020

16 September 2020

worldwide

42nd Meeting of the Open-ended Working Group of the Parties to the Montreal Protocol

13-16 July 2020

Montreal, Quebec, Canada

31st Meeting of the Parties to the Montreal Protocol

4-8 November 2019

Rome, Lazio, Italy

International Day for the Preservation of the Ozone Layer 2019

16 September 2019

worldwide