Romanova Anastasiya Yu. RussiaSaratov State University, 83, Astrakhanskaya Str., Saratov, 410012, Russianastenka1401@yandex.ru Author's articles Change of the Economic Districts Grid in the Volga Economic Region On the Question of Assessing the Quality of Green Plants for a Comfortable City Environment (on the Example of the Pedestrian Zone «Rakhov Street», Saratov)