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2020 World Ozone Day in Nepal
(Nepal Bureau of Standard and Metrology, 2020)
In observation of World Ozone Day, 16 September 2020
International Ozone Day and World Clean-up Day: Port Vila, Vanuatu
(Department of Environmental Protection and Conservation, Vanuatu, 2020)
In observance of World Ozone Day, 16 September 2020
Celebration of World Ozone Day 2020, Afghanistan
(2020)
In observance of World Ozone Day, 16 September 2020
National Ceremony of World Ozone Day 2020, Sri Lanka
(2020)
In observance of World Ozone Day, 16 September 2020
2020 World Ozone Day [Cook Islands]
(2020)
In observance of World Ozone Day, 16 September 2020
Kiribati World Ozone Day Celebration 2020
(2020)
In observance of World Ozone Day, 16 September 2020
Ozone Day Report 2020
(2020)
In observance of World Ozone Day, 16 September 2020
Tonga 2020 World Ozone day Celebration
(2020)
In observance of World Ozone Day, 16 September 2020
Report on the Ceremony of: International Ozone Day, 33rd Anniversary of Montreal Protocol & 35th Anniversary of Vienna Convention
(2020)
In observance of World Ozone Day, 16 September 2020