Full name: 2021 8th International Conference on Environmental Systems Research (ICESR 2021)--Ei Compendex, Scopus Abbreviation: ICESR 2021 2021 8th International Conference on Environmental Systems Research (ICESR 2021) to be held in Sydney, Australia during November 19-21, 2021. Conference Website: http://www.icesr.org/ ICESR 2021 Shining Points: 1. Accepted papers will be published in Conference Proceedings. It is mandatory that at least one author registers and presents for every paper that is included in the conference proceedings. The Conference Proceedings which will be indexed by EI Compendex and Scopus, etc.. 2. We have invited the ourstanding Professor R. J. (Dick) Haynes，from University of Queensland,Australia and Prof. Chris Frey from North Carolina State University, USA to join our conference and do keynote speeches. 3. Social events will be arranged on November 21, 2021 in Sydney. 4. ICESR 2020 was held as virtual conference successfully during December 3-5, 2020. Submission and Contact Methods: Submission Methods: http://confsys.iconf.org/submission/icesr2021 E-mail: icesr@cbees.net Tel: +852-3500-0137 (Hong Kong)/+1-206-456-6022 (USA)/+86-28-88220101 (Chengdu) Conference Specialist: Hedy ICESR 2021 can provide a platform for academic communication in Environmental Systems Research. For more conference information, please visit the conference website: http://www.icesr.org/