Since August 2011.Changping Yu has been invited as editorial board of Environmental Toxicology and Risk Assessment, Science for Environmental Technology of the well-known international journal, Chemosphere. As a comprehensive international journal in world environment science and technology, Chemosphere has been given great concern by international researchers in the field. Details of the journal could be found in http://www.elsevier.com/wps/find/journaleditorialboard.cws_home/362/editorialboard.