The World Sustainable Development Summit (WSDS) is an annual conference organized by The Energy and Resources Institute (TERI), an independent research institute with multidimensional capabilities. It was instituted in 2001, as the Delhi Sustainable Development Summit (DSDS). WSDS 2026, which is the Silver Jubilee edition of the Summit, will focus on the umbrella theme: परिवर्तन | Transformations : Vision, Voices, and Values for Sustainable Development. The 25th edition of the Summit will take place from February 25–27, 2025 at the India Habitat Centre, New Delhi, India. WSDS brings together political leaders, decision-makers from bilateral and multilateral institutions, business leaders, high-level functionaries from the diplomatic corps, scientists and researchers, media personnel, and members of civil society on a common platform. Over the years, the Summit series has witnessed the participation of 59 Heads of State and Government, 149 Ministers, 13 Nobel Laureates, 2158 Business Leaders, 3730 Speakers, and 41889 Delegates.