Answer:
Option: Water pollution
Step-by-step explanation:
In Eastern Europe, the main concern is water pollution. The foul water is the outcome of the industries that were set up during the communist era. Rivers are polluted because of the toxic waste and sewage that is dump there without any objections. Present treatment plants are unable to cure the water from toxic and chemicals which make water poison to consume. The water also suffers from urban waste, and chemical used in agriculture.