The International Summer School Program on “Climate Change and Renewable Energy in South Asia” was organized by the Consortium of South Asian Think Tanks (COSATT) in collaboration with the Regional Programme Energy Security and Climate Change Asia Pacific (RECAP) of Konrad-Adenauer-Stiftung (KAS) in Nepal from 4-9 December, 2023. The program aimed to convene students, researchers, and speakers from diverse South Asian countries to delve into the intricate relationship between climate change and the promotion of renewable energy sources.