International Day for the Preservation of the Ozon 2021 is on Thursday, September 16, 2021: the 2012 International Day

Thursday, September 16, 2021 is International Day for the Preservation of the Ozon 2021.

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UNEP OzonAction: 2012 International Ozone Day for the Preservation ...
the 2012 International Day

International Day for the Preservation of the Ozone Layer ...
International Day for the

MACC Project - International day for the preservation of the ozone ...
the International Day for

International Day for the Preservation of the Ozone Layer - 16 ...
for the Preservation of the

All About Science: Celebrate Ozone Day!
Nations' International Day

Also on this date September 16, 2021...