- Observed on 22 May
- Also called as International Day for Biodiversity
- This date commemorates the date of Adoption of the Agreed Text of the Convention on Biological Diversity at UNEP Headquarters, Nairobi on 22 May 1992.
- Theme for 2017 : Biodiversity and Sustainable Tourism
- The theme is in sync with the observance of 2017 as “International Year of Sustainable Tourism for Development” as proclaimed by the United Nations General Assembly.