Even the most modern coal power plants pollute the environment and negatively affect people. Coal-fired power plants are a source of considerable quantities of suspended particulate matter, sulfur dioxide and nitrogen oxides – these are invisible but deadly pollution. Although the plant will be built in Rzekuń municipality, pollution it is going to emit will be poisoning people in the surrounding voivodships. Does the public know about this and accepts the risk? Ostrołęka C is our common concern so it is important to have full information on the effects of its construction and operation.