The U.S. Global Change Research Program announced that Sol Hsiang will serve as chapter lead for the Economics chapter of the Fifth National Climate Assessment (NCA5). Chapter leads will be responsible for building diverse author teams and leading the development of chapter content. NCA5 is expected for release in late 2023. Hsiang is the Chancellor's Professor of Public Policy and Director of the Global Policy Laboratory at the University of California, Berkeley. His research combines data with mathematical models to understand how society and the environment influence one another. In particular, he focuses on how policy can encourage economic development while managing the global climate. His research has been published in Nature, Science, and the Proceedings of the National Academy of Sciences.