Fridays

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Many people believe that the increasing member of cars in cities is the biggest source of pollution and waste. Others think that industries are the one causing pollution. Discuss both views and give our opinion. Nowadays by increasing the populations in big cities governments encounter the problem of polluted onesion. There are different kinds of pollution such as that of air, noise and the environment one. The most critical one is air pollution which is caused by releasing some gasses in the atmosphere by diverse sources. The main sources are car exhausts and industrial plants. The heat and gasses that vehicles spread out into the atmosphere is are one of the main sources of the pollution. Improving Transport systems can decrease the number of cars in the city and diminish the rate of pollution into the atmosphere. People of some countries like the Netherlands have usinguse bicycles instead of cars for this aim and the results prove the impact of the number of cars in on pollution, but this aim required needs some basic requirements. The total number of polluted days in a year in an industrials city like Arak indicates the importance of this kind of pollution. Industrial plants produce lots of heat and pollution, they normally burn fossil fuels which cause Greenhouse impact and warming the earth. On the other hand, according to city management standards, factories must be built far away from the urban areas with a special hazardous distance and their filters and exhaust facilities must be maintained regularly to avoid causing pollution. In my opinion, by tracking the polluted days in a crowded city with a poor public transport system like in Tehran, we will find out the air pollution vanish during holidays, this phenomena phenomenon proves that the number of cars has the most influence on air pollution.