Title: Ot︠s︡enka i ėkologicheskiĭ kontrolʹ sostoi︠a︡nii︠a︡ okruzhai︠u︡shcheĭ prirodnoĭ sredy regiona (na primere Tulʹskoĭ oblasti)
Subjects: Environmental monitoring, Environmental conditions
Places: Russia (Federation), Tulʹskai︠a︡ oblastʹ, Tulʹskai︠a︡ oblastʹ (Russia)