Transportation is also a cause of high noise pollution. Hanoi is a large city, people who live and work here every year greatly increased, so the number of vehicles has increased accordingly. At peak hours, the amount of people and cars crowded, the noise from motor vehicles, sirens sounded great influence on people.
Above are two major causes of noise pollution. Through this we can see that the noise pollution is mostly caused by man-made. Not only offensive to the daily life, noise pollution can greatly affect one's health. Must mention as affecting hearing, can cause negative symptoms to the body like heart palpitations, headaches, dizziness, etc in the long run can cause cardiovascular disease, hypertension, etc. or in communication with each other, when you are in a noisy environment, you want to talk with friends but relatives can not say clear your mind and may mislead the opposite, and still very much the other negative impacts.
To completely eliminate noise pollution is very difficult, but every citizen if conscious, the mitigation is less probable.
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