Аннотация: This article explores the role of Tajikistan in sustainable development and green diplomacy, emphasizing the country's national environmental policies and their regional and international impact. It highlights key initiatives and strategies aimed at achieving the Sustainable Development Goals (SDGs), such as water resource management, renewable energy development, climate adaptation measures, and environmental conservation. The article also details Tajikistan's efforts to utilize its abundant water resources to foster sustainable economic growth and maintain ecosystem stability in Central Asia. Special attention is given to Tajikistan's diplomatic activity on the global stage, including initiatives within the United Nations and other forms of multilateral cooperation to spotlight sustainable development challenges in the region. Green diplomacy is identified as a crucial instrument for fostering constructive dialogue with neighboring countries and international organizations, creating opportunities for knowledge sharing, financial support, and implementing innovative environmental solutions.