Co-organized by CUHK and the Department of Earth Sciences of the National Natural Science Foundation of China, the 2012 Academic Symposium on Climate Change was held from 26 to 29 November. Academician Prof. Xu Guanhua, adviser to Project 973; Prof. Luo Yong of the Centre for Earth System Science, Tsinghua University; and Prof. Lau Ngar-cheung Gabriel, head scientist of the Climate Diagnostics Project at the Geophysical Fluid Dynamics Laboratory of the US National Oceanic and Atmospheric Administration, gave keynote speeches. Over 90 leading scholars and postgraduate students from the mainland and Hong Kong in the field of climate change attended the symposium and 28 talks were delivered.