17.06.2021
| worldwide
| Climate
| Annual Days
World Day to Combat Desertification
https://www.bmu.de/VE73-1
16.09.2021
| Climate
| Annual Days
Day for the Preservation of the Ozone Layer
Venue
worldwide
Time
all day
1994 the 49th General Assembly of the United Nations proclaimed September 16 to be the International Day for the Preservation of the Ozone Layer.