RETRACTED: Improving the environmental taxation system Sergey Yekimov, Rehabi Mohammad, Nadia Bugay, Vadym Ratynskyi, Leonid Shmorgun and T.M. Ridel E3S Web Conf., 538 (2024) 02009 Published online: 14 June 2024 DOI: 10.1051/e3sconf/202453802009