Digitalization of environmental education is the trend of its modernization and reform Kirill Grevtsov, Oksana Kadeeva, Valentina Syritsyna, Oleg Ilchenko and Alexander Belov E3S Web Conf., 258 (2021) 10011 Published online: 20 May 2021 DOI: 10.1051/e3sconf/202125810011