Recent globalization persuaded the world to sum up with a global collaboration for human being welfare. In this regard, Sustainable Development Goals (SDGs) have drawn international attention nowadays, because of the menacing effect of human activities on climate change and global warming. Prevailing endeavors towards global collaboration has been put forward. Contribution to the SDGs deployment has dramatically increased over the past years. In the context of global contribution, Research and Education Promotion Association (REPA) in collaboration with University of the Ryukyus creates an international forum to discuss and share knowledge for effective deployment of the SDGs goals within viable models, scenarios, and best worldwide accepted practices.International Conferences Series on: Sustainability Outreach in Developing Countries (SODC 2020) held at University of the Ryukyus, Okinawa, Japan, from 30-31 May 2020. SODC-2020 covers 17-goals and 169-targets of the SDGs in the context of multidisciplinary research.This conference aims to establish a global dialogue on Sustainability Outreach that brings together scholars, researchers, and field practitioners conducting projects and research to achieve the United Nation’s 17-SDGs. SODC-2020 discussed transboundary researches, experiences, case studies, and lessons learned to cover conceptual and empirical research contributions within the scope of this conference. That offers viable options for societies transition in the 21st century for (1) a well-being life to eradicate poverty, (2) mitigate climate change, (3) promote lifelong learning opportunities, (4) empower sociality, (5) deploy affordable energy, (6) sustain economic growth, (7) offer innovation, (8) reduce inequality, (9) ensure global sustainability and so on.This proceedings volume is based on the selected and peer-reviewed papers that offer new ideas and best practices by experienced researches around the globe. International Conferences Series on Sustainability Outreach will be held in Asia, Europe and Latin America during 2020-2022 with a profound impact on expediting the SDGs deployment. As part of this conference, professional-level workshops were organized by SEIES-IEEE (Sustainable Energy and Intelligent Engineering Society, jt. Chapter of PES & FRID-Fukuoka Section, Japan Council) and Rahkaar ACM Chapter.The Organizing Committee of International Conferences Series on: Sustainability Outreach in Developing Countries (SODC 2020) expresses its heartiest congratulation for successfully holding the conference within the contained situation of COVID-19. Thank you to our stakeholders at any level (researchers, presenters, participants, reviewers, editors, facilitators, IOP Publishing, and sponsors) who have been part of this achievement.A special appreciation and thanks are extended to the keynote speakers:– Prof. Tomonobu Senjyu, University of the Ryukyus, Okinawa, Japan– Prof. Ir Dr Sharifah Rafidah Wan Alwi, Universiti Teknologi Malaysia; and Director of Process Systems Engineering Centre (UTM-PROSPECT), Johor Bahru, Malaysia– Prof. Toshihisa Funabashi, University of the Ryukyus, Okinawa, Japan– Prof. Fathelalem Ali, Meio University, Okinawa, JapanAlso, heartfelt thanks for the editorial team of REPA: Ms. Michell Ann (Secretary), Mr. Sayed Mir Shah Danish (Technical Chair), Dr. Emil Chuck, Ms. Sarah Ahmed, and Ms. Kristina Barnes) for their support. Editors Dr. Mir Sayed Shah Danish (Conference Organizing Chair) Prof. Tomonobu Senjyu (Conference General Chair) Mr. Mikaeel Ahmadi (Academic Affairs Chair) University of the Ryukyus SODC2020, Okinawa, Japan www.repa.jp/sodc-japan