Paper Publishing:ICESE 2021 papers after the peer reviewing process by at least 2-3 experts, all the accepted papers will be published into IOP Conference Series: Earth and Environmental Science (EES) (ISSN: 1755-1315), which is indexed by EI Compendex, Scopus, Thomson Reuters (WoS), Inspec,et al. Conference Chairs : Prof. Wilhelm Höflinger, Vienna University of Technology, Austria Prof. Franz Winter, Vienna University of Technology, Vienna, Austria Prof. Jan Baeyens, Beijing University of Chemical Technology, China Prof. Raf Dewil, KU Leuven, Belgium Program Chairs : Prof. Soteris Kalogirou, Cyprus University of Technology, Cyprus Prof. Daniel Gauthier, Centre National de la Recherche Scientifique, France Assoc. Prof. Huili Zhang, Beijing University of Chemical Technology, China Dr. Martin Schiemann, Bochum University, Germany Contact Methods: E-mail: This email address is being protected from spambots. You need JavaScript enabled to view it. Tel: +852-3500-0137 (Hong Kong)/+86-28-88220101 (Chengdu) Conference Specialist: Ms. Iris Tang