CGEEE 2020 Shining Points: 1.All accepted papers of CGEEE 2020 will be published in CGEEE 2020 IOP Conference Series: Earth and Environmental Science (EES) (ISSN: 1755-1315), which is indexed by EI Compendex, Scopus, Thomson Reuters (WoS), Inspec,et al. 2. Prof. Jan Baeyens, from Beijing University of Chemical Technology, China;Prof. Wallace C.H. Choy,from The University of Hong Kong, Hong Kong and Prof. Miwako Hosoda from Seisa University, Tokyo, Japan will be our keynote speakers. 3.The CGEEE 2019 was successfully held in Okinawa, Japan.4.Social Event will be arranged in Jeju Island, Korea on July 24, 2020. ==Paper Publishing:All accepted papers of CGEEE 2020 will be published in CGEEE 2020 IOP Conference Series: Earth and Environmental Science (EES) (ISSN: 1755-1315), which is indexed by EI Compendex, Scopus, Thomson Reuters (WoS), Inspec,et al. ==Submission and Contact MethodsSubmission Methods: http://confsys.iconf.org/submission/cgeee2020