1.the lack of drinking water. reason-no of installations that treat water to a drinking state. In Europe and developed countries, people drink water from the taps and water columns.
2.The lack of a good sewage treatment facilities. (Special containers, disinfecting sewage.) Because the drain receives all the germs, viruses, all the dirt from hospitals, factories, etc. because Of this, infected people bathing in the water.
3.Discharges of oil, sewage in the urban area. Example: in summer the surface of the Bay "Zolotoy Rog" covered with a buttered-oil film.
4.The presence of a very old transport in large numbers in our city "Vladivostok", is thrown into the air a large amount of carbon monoxide.
5. Illegal cutting of trees in the city. The trees are our lungs, and the air is so very dirty. And much more...
Сама(сам) отвечала на вопросы? А то довольно странные формулировки. Но перевести удалось)))