TY JOUR TI Overpopulation of cities is the main factor of environmen-tal degradation KW ecology KW megapolis KW pollution KW motorization KW renovation KW industrial zone KW natural environment KW con-struction JO Journal of Natural Sciences Research AU Orlov, E.V. AU Matveev, D.A. AU Sonina, V.P. PY 2023 IS 8 PB INFRA-M Academic Publishing LLC.