At present, the ecological situation in the city of Rostov-on-Don, leaves much to be desired. Due to various factors polluting the environment becomes more and more dangerous for life. Nowadays the ecological situation in the R ostov-on-Don leaves much to be desired. Due to various factors polluting the environment becomes more and more dangerous for the life of its citizens.
M.A. Chernyshev, A.V. Korostiev Existing ecological situation in the city of rostov-on-don // The Russian Academic Journal, Vol. 24, Issue 2, 2014, pp. 0-0

At present, the ecological situation in the city of Rostov-on-Don, leaves much to be desired. Due to various factors polluting the environment becomes more and more dangerous for life. Nowadays the ecological situation in the R ostov-on-Don leaves much to be desired. Due to various factors polluting the environment becomes more and more dangerous for the life of its citizens.