Cheng Liu currently works at the Nanjing institute of geography and limnology, Chinese Academy of Sciences. Cheng does research in Environmental Engineering, Ecological Engineering and Geochemistry. His main work is about the remediation of contaminated sediment, the geochemical cycling of carbon, nitrogen, phosphorus, sulfur, and other elements across multi-interfaces in the littoral zone. Email: chliu@niglas.ac.cn. Website: https://www.researchgate.net/profile/Cheng-Liu-8