Xi Liu is a postdoctoral researcher at Institute of Blue and Green Development, Shandong University (Weihai). She is graduated from Tianjin University. Her research focuses included renewable energy transition and sustainable development goals, air pollution and carbon emissions co-mitigation strategies in iron and steel industry, virtual water trade and energy system modelling, etc. She has published 10 peer-reviewed papers in Water Research, Energy Policy, Renewable and Sustainable Energy Reviews, Applied Energy, Journal of Cleaner Production, Environmental Pollution, etc. She is the PI of one project funded by China Postdoctoral Science Foundation.