Xinbin Feng is a Professor of Environmental Geochemistry at the State Key Laboratory of Environmental Geochemistry, Institute of Geochemistry, Chinese Academy of Sciences, China. He received a BS degree in geochemistry from Department of Geology, China University of Geosciences (Wuhan), China; a master’s degree and a doctorate in Geochemistry from the Institute of Geochemistry, Chinese Academy of Sciences, China.Dr. Feng’s scholarly activities have been found in the areas of Biogeochemical cycling of heavy metals in the environment and health impacts, Non-traditional stable isotope geochemistry, and Remediation of heavy metal polluted environment. He is the Associate Editor of Journal of Geochemical Exploration since 2014, Acta Geochimica since 2014, and Editorial board member of Science of the Total Environment (2006-2012), Environmental Toxicology and Chemistry (2008-2012), Journal of Environmental Sciences (2014-present), Atmosphere (2015-present). Heserved as conference Chair of the 9th International Conference on Mercury as a Global Pollutant (2009), conference Chair of the 17th International Conference on Heavy Metals in the Environment (2014), and member of Society of Environmental Toxicology and Chemistry, and the International Association of GeoChemistry. He is now serving as the Associate Director at Institute of Geochemistry, Chinese Academy of Sciences, China. Bo Meng is now an Associate Professor of Environmental Geochemistry at the State Key Laboratory of Environmental Geochemistry, Institute of Geochemistry, Chinese Academy of Sciences, China. He received a BS degree in geochemistry from Department of Geology, Northwest University, China and a doctorate in Geochemistry from the Institute of Geochemistry, Chinese Academy of Sciences, China. Dr. Meng’s scholarly activities have been found in the areas of Biogeochemical cycle of mercury in the mercury sensitive ecosystems (e.g. river-reservoir ecosystem, rice paddy, mercury mining area) and health impacts. His scholarly contributions appeared in Environmental Science and Technology, Journal of Agriculture and Food Chemistry, Environmental Pollution, Biogeosciences, Chemosphere, Environmental Toxicology and Chemistry, and Journal of Environmental Quality, among others.