Prof. Tong Zhu is a Professor at the College of Environmental Sciences and Engineering at Peking University, an academician of the Chinese Academy of Sciences, a counselor of the State Council, and a fellow of the American Geophysical Union. He also serves as the Deputy Director of the Higher Education Committee for Environmental Science and Engineering under the Ministry of Education and is a member of the Evaluation Group for Environmental Science and Engineering of the State Council Academic Degrees Committee. He has previously co-chaired the Scientific Steering Committee of the International Global Atmospheric Chemistry Research Program (IGAC) and currently leads the expert group of the National Natural Science Foundation's major research program on "The Causes and Mechanisms to Address China's Composite Air Pollution." He is also the Vice Chairman of the International Committee on Atmospheric Chemistry and Global Pollution and a director of the American Geophysical Union. He has been committed to pioneering scientific research in atmospheric chemistry, human exposure, and health. He has published 360 papers in journals such as Science, PNAS, JAMA, and The Lancet, and has been recognized as a highly cited scholar in the field of environment in both China and globally for many years.