Development of green environmental: policy in education Saule Sarbassova, Sairan Abdugalina, Roza Burganova, Kazna Shaikheslyamova, Banugul Abdrasheva and Gaziza Jamaliyeva E3S Web Conf., 284 (2021) 11009 Published online: 12 July 2021 DOI: 10.1051/e3sconf/202128411009