About CGEEE-Flyer click here


The HKCBEES is pleased to announce the 2021 4th International Conference on Green Energy and Environment Engineering (CGEEE 2021) to be held in Jeju Island, Korea during July 22-24, 2021. CGEEE 2021 will provide a forum for researchers and practitioners in the field to share ideas, designs, and experiments. Participation from academia, industry and government is welcome.

CGEEE has been successfully held with its first conference in Seisa Dohto University, Kitahiroshima, Sapporo, during August 27-29, 2018, second one in Okinawa, Japan during July 2-5, 2019 and third one as online conference during July 22-24, 2020 due to the effect of COVID-19. The aim of the conference is to bring together innovative academics and industrial experts in the field of Green Energy And Environment Engineering to a common forum.

Important Date                                   Submission Methods

Submission Deadline-------June 5, 2021            Prospective authors are kindly
Notification Date------------June 20, 2021             invited to submit
Registration Deadline------June 30, 2021           full papers/abstracts(.pdf) via
Conference Dates-----------July 22-23, 2021       Submission system
Social Events-----------------July 24, 2021            cgeee@cbees.net.


CGEEE 2020-Volume 633 in IOP Conference Series: Earth and Environmental Science (EES) (ISSN: 1755-1315)-EI Compendex&Scopus (Click)

CGEEE 2019-Volume 120 of E3S Web of Conferences (Open Access proceedings in Environment, Energy and Earth Sciences)-EI Compendex&Scopus (Click)

CGEEE 2018-Volume 93 of E3S Web of Conferences (Open Access proceedings in Environment, Energy and Earth Sciences)-EI Compendex&Scopus (Click)

co-organized by



Technically Supported by




For papers submitted to CGEEE 2021, after the peer reviewing process by at least 2-3 experts, all the accepted papers will be published into E3S Web of Conferences (Open Access proceedings in Environment, Energy and Earth Sciences), which is indexed by Scopus,Google Scholar, CAS, DOAJ, CPCI (Web of Science), EBSCO, ProQuest,et al.


Topics of Interests



Energy Transformation from Renewable Energy System (RES) to Grid
Artificial Intelligence and Machine Learning Studies for RESs and Applications
Control Techniques for RESs
Control technologies
Grid Interactive Systems Used in Hybrid RESs
Performance Analysis of RESs
Power Devices and Driving Circuits for RESs
Novel Energy Conversion Studies for RESs


Environmental dynamics
Physical oceanography
Atmospheric modelling and numerical prediction
Atmospheric physics
Climate and climatic changes
Ozone layer depletion


Sludge treatment and reuse
Soil decontamination
Solid waste management
Storm-water management
Suspended and fixed film biological processes
Waste minimization
Waste valorization
Wastewater and sludge treatment
Water treatment and reclamation
Reuse of reclaimed waters

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