The 2020 International Conference on Climate Change, Green Energy and Environmental Sustainability（CCGEES 2020）will be held during Nov. 27-28, 2020 in Haikou, China. CCGEES 2020 aims to bring together by a common concern for the science of, and social responses to, climate change, green Energy and environmental sustainability and to provide a platform for scientists, engineers and scholars to sharing their latest research results and experiences. On behalf of organizing committee, we looking forward to your participation! Meeting Time: Nov. 27-28, 2020 Full paper Submission Due: Oct. 26, 2020 Abstract Submission Due: Oct. 26, 2020 Decision Notification: 5-7 working days after submission Attendees Registration Due: Nov. 20, 2020 All papers, both invited and contributed, will be reviewed by two or three experts from the committees. After a careful reviewing process, all accepted papers of CCGEES2020 will be published by E3S Web of Conferences (ISSN:2267-1242) and will be submitted to EI、Scopus for indexing. Participation Types: Package A: Only Attendance Package B: Abstract Submission+Oral Presentation Package C: Abstract Submission+Poster Presentation Package D: Full Paper Publicaiton+Oral/Poster Presentation+Attendance Note: If you need paper publication and presentation both, please submit full paper. If you need to make presentation without publication, please submit abstract only.