05
December
2020
| Date | Day |
| February 2nd | World Wetlands Day |
| March 3rd | World Wildlife Day |
| March 14th | International Day of Action for Rivers |
| March 21st | International Day of Forests |
| March 22nd | World Water Day |
| March 23rd | World Meteorological Day |
| April 7th | World Health Day |
| April 10th | World Atmosphere Day |
| April 22nd | International Earth Day |
| April 29th | Day of Remember for All Victims of Chemical Warfare |
| May 9th | World Migratory Day |
| May 17th | Endangered Species Day |
| May 22nd | International Day for Biological Diversity |
| May 31st | No Tobacco Day |
| June 5th | World Environment Day |
| June 8th | World Ocean Day |
| June 17th | World Day to Combat Desertification and Drought |
| July 11th | World Population Day |
| July 26th | International Day for Conservation of the Mangrove Ecosystem |
| July 28th | World Nature Conservation day |
| July 29th | International tiger Day |
| August 9th | The International Day of the World’s Indigenous Peoples |
| September 16th | International Day for Preservation of the Ozone Layer |
| September 28th | Green Consumer Day |
| September 27th | World River Day |
| October 4th | World Animal Day |
| October 5th | World Habitat Day |
| November 11th | World Migratory Bird Day |
| December 5th | World Soil Day |
| December 11th | International Mountain Day |
| December 14th | National Energy Conservation Day |