![The Preparatory Session for MOP32 held a moment of silence for the passing in October 2020 of Mario Molina, a Mexican chemist whose research led to the discovery of the Antarctic ozone hole.](/sites/default/files/styles/max_650x650/public/2021-01/23nov-MarioMolina-Memory_0.jpg?itok=SF-YhZFZ)
The Preparatory Session for MOP32 held a moment of silence for the passing in October 2020 of Mario Molina, a Mexican chemist whose research led to the discovery of the Antarctic ozone hole.
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Highlights and images for 23 November 2020
12th Meeting of the Conference of the Parties to the Vienna Convention (Part I) and 32nd Meeting of the Parties to the Montreal Protocol