Why in News?  

Every year International Day for Biological Diversity is observed on 22nd May.  

Theme of 2025: Harmony with Nature and Sustainable Development 

About International Day for Biological Diversity  

• The United Nations General Assembly declared 22nd May as the International Day for Biodiversity (IDB) in 2000.  
• The date marks the adoption of the United Nations Convention on Biological Diversity (UNCBD) in 1992, a legally binding treaty to conserve biodiversity.  
• India is a signatory to the UNCBD and implemented the Biological Diversity Act in 2002.  
• The term biodiversity was first coined by Walter G. Rosen in 1985, referring to the variety of all living organisms.  
• The UN Decade on Biodiversity (2011–2020) aimed to promote the global strategic plan for biodiversity conservation. 

Major Targets – “30 by 30” and Beyond:  

• Refers to the goal of protecting 30% of the world’s land and oceans by 2030.