Prof. Zhang has research experience in China, Sweden, USA, Australia, Jamaica and Ireland. He was a University Fellow of Hong Kong Baptist University in 2013. Prof. Zhang is chair and organizer of several internationally leading conferences in environment, health and GIS: SEGH 2010 International Conference and Workshops on Environmental Quality and Human Health; SESEH 2012 Sino-European Symposium on Environment and Health; ISEH 2016 & Geoinformatics 2016, Joint International Conference on Environment, Health, GIS and Agriculture; Joint Conference of ISEH, ICEPH and ISEG on Environment and Health (postponed from 2020 to August 11-18, 2024 due to the outbreak of Covid-19 virus).