==**Ei Ccompendex and Scopus**==

★Full Name: 2021 The 4th International Conference on Renewable Energy and Environment Engineering (REEE 2021)--SCIE, Scopus, Ei Compendex
★Abbreviation: REEE 2021
★Date: August 27-30, 2021
★Place: Florence, Italy
★Website: http://www.reee.net

==Publication
**All accepted (Registered & Presented) papers of REEE 2021 will be collected in the E3S conference proceedings (eISSN: 2267-1242), which is indexed by *Scopus*, *Ei Compendex*, Google Scholar, CAS, DOAJ, EBSCO, ProQuest, etc.

**Special Issue-Energies(ISSN 1996-1073)
Prize for the best full paper will be the publication of 1 (one) paper in Special Issue in Energies (ISSN 1996-1073; CODEN: ENERGA).--Impact Factor: 2.702 (2019) ;5-Year Impact Factor: 2.822 (2019)

==History
REEE 2018 proceedings are published online (E3S Web of Conferences,Volume 80,2019),indexed by Ei Compendex & Scopus already.
REEE 2019 proceedings are published online (E3S Web of Conferences,Volume 122,2019),indexed by Ei Compendex & Scopus already.
REEE 2020 proceedings are published online (E3S Web of Conferences,Volume 191,2020),indexed by Ei Compendex & Scopus already.


==Committee
Conference Chair
Prof. Elmar Bollin, Offenburg University of Applied Sciences, Germany

Program Chairs
Prof. Muhammad Shakeel Virk, University of Troms?, Norway
Prof. Carlos Felgueiras, Polytechcnic of Porto, Portugal

Local Chair
Prof. Nidia Caetano, Polytechcnic of Porto, Portugal

Guest editors
Prof. Jorge Loredo, University of Oviedo, Spain
Prof. Jin Su Jeong,Universidad de Extremadura, Spain

For more information about committee, please visit http://reee.net/committees.html

==Topic Scope (include but not limited )
Biofuels / Biofuel Cells
Hybrid Energy Systems
Hydropower
Solar Energy
Wind Energy
Nuclear Energy Fission & Fussion
Energy Policy, Planning & Management
Energy Conservation
Energy Conversion
Fuel Cell Technology
Renewable Energy Sources
Solar Energy
Water Energy
Wind Energy
Wastewater and Sludge Treatment
Drinking Water treatment
Energy Efficiency
Water Treatment and Reclamation
Industrial Wastewater treatment
Wetlands for Wastewater Treatment
Ecosystem Restoration
Hazardous Gas Biofiltration
Soil Restoration/ Phytoremediation
Environmental Process Simulation
Data Management and Statistics
Environmental Remote Sensing Applications
GIS for Environmental Assessment
Air Quality Assessment
Ecosystems Assessment
Water Resources and Quality Assessment
Water Pollution and Water Quality Control

==Contact
Melanie Li Xiao
E-mail: reee_conf@vip.163.com