International Day for Biological Diversity (22 May 2026)
International Day for Biological Diversity (22 May 2026)
The United Nations has proclaimed the International Day for Biological Diversity (IDB) to enhance understanding and awareness of biodiversity issues worldwide and to inspire collective action towards its conservation and sustainable use.
This important day dates back to 1993, when the UN General Assembly designated 29 December—the date of entry into force of the Convention on Biological Diversity (CBD)—as the International Day for Biological Diversity.
However, in December 2000, the General Assembly adopted 22 May as the official date for IDB. This date commemorates the adoption of the CBD text on 22 May 1992 during the Nairobi Final Act. The shift was also practical, as the original date of 29 December coincided with global holiday seasons, making it difficult for many countries to organize meaningful celebrations and public engagement activities.
Biodiversity—short for biological diversity—is often understood as the wide variety of plants, animals, and microorganisms that exist on Earth. However, its meaning goes much deeper.
It includes:
- Genetic diversity: the variation within species, such as different crop varieties and livestock breeds that enhance resilience and food security
- Species diversity: the variety of living organisms within ecosystems
- Ecosystem diversity: the different habitats—forests, wetlands, rangelands, deserts, and agricultural landscapes—where life interacts
These layers of biodiversity are interconnected, forming complex systems that support life, regulate climate, provide food and medicine, and sustain livelihoods.
Theme for 2026: Acting Locally for Global Impact
The theme for 2026, “Acting locally for global impact,” underscores a powerful message:
Global biodiversity goals can only be achieved through local action.
It recognizes the critical role of:
- Communities managing ecosystems on the ground
- Counties integrating biodiversity into development
- Individuals adopting sustainable practices
From restoring degraded lands to protecting indigenous knowledge, local actions collectively contribute to global biodiversity conservation.
In 2026, Kenya will mark this important day in Kajiado County, a region that exemplifies the theme in practice.
Kajiado is home to:
- Critical ecosystems such as the Amboseli landscape
- Rich wildlife populations and vital migration corridors
- Maasai communities whose traditional knowledge has sustained biodiversity for generations
The county represents a powerful model of community-led conservation, where culture, livelihoods, and biodiversity are closely intertwined.