★Proceedings:The accepted (Registered & Presented) full papers will be collected in conference proceedings, which is to be published with E3S Web of Conferences (Open Access proceedings in Environment, Energy and Earth Sciences), which is indexed by Google Scholar, CAS, DOAJ, CPCI (Web of Science), EBSCO, ProQuest, Scopus, and Ei Compendex. ★History:ICSREE 2020 (Virtual Conference)Paris, France | May 6-9, 2020E3S Web of Conferences eISSN: 2267-1242Already published online. ICSREE 2019Tsinghua University, Beijing, China | May 11-13, 2019E3S Web of Conferences eISSN: 2267-1242Already indexed by Ei Compendex, Scopus. ICSREE 2018University of Salamanca, Spain | May 9-11, 2018E3S Web of Conferences eISSN: 2267-1242Already indexed by Ei Compendex, Scopus. ICSREE 2017Hiroshima, Japan | May 10-12, 2017IEEE ISBN: 978-1-5090-6337-6Already indexed by Ei Compendex, Scopus. ICSREE 2016Seoul, South Korea | May 5-7, 2016Journal of Clean Energy Technologies ISSN: 1793-821X ★Committee: Honorary Chair:Prof. Lars Johanning, University of Exeter,UK Conference Chairs:Prof. Nezihe Ayas, Eskisehir Technical University,Turkey;Prof. David Lin, University of Tainan,Taiwan. Program Chairs:Prof. Nezihe Ayas, Eskisehir Technical University,Turkey;Prof. Monica Siroux, University of Strasbourg, France;Prof. Jesus Toribio, University of Salamanca, Spain. For more committee members, please visit the website: http://www.icsree.com/committee.html ★Submission Link:http://confsys.iconf.org/submission/icsree2021