16 September 2019 worldwide
International Day for the Preservation of the Ozone Layer 2019

The International Day for the Preservation of the Ozone Layer marks the date of the signing, in 1987, of the Montreal Protocol on Substances that Deplete the Ozone Layer.

date: 16 September 2019
location: worldwide
www: https://www.un.org/en/events/ozoneday/index.shtml

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