ICEPP 2020 Shining Points: 1. Accepted papers will be published into E3S Web of Conferences (Open Access proceedings in Environment, Energy and Earth Sciences), which is indexed by Ei Compendex, Scopus, Google Scholar, CAS, DOAJ, CPCI (Web of Science), EBSCO, ProQuest.2. We have invited the ourstanding Professor R. J. (Dick) Haynes from The University of Queensland, St Lucia, Queensland, Australia to join our conference and do keynote speech.3. The ICEPP 2019 was successfully held in Melbourne, Australia. ==Paper Publishing:ICEPP 2020 papers will be published into E3S Web of Conferences (Open Access proceedings in Environment, Energy and Earth Sciences), which is indexed by Ei Compendex, Scopus, Google Scholar, CAS, DOAJ, CPCI (Web of Science), EBSCO, ProQuest.