%0 Journal Article %T Overpopulation of cities is the main factor of environmen-tal degradation %A Orlov, E.V. %A Matveev, D.A. %A Sonina, V.P. %K ecology, megapolis, pollution, motorization, renovation, industrial zone, natural environment, con-struction %J Journal of Natural Sciences Research %D 2023 %N 8 %P 3 %I INFRA-M Academic Publishing LLC.