Guanajuato, Gto. July 31, 2017.- "Regularly, governments in the world have an interest for researching and fighting the pollution of the environment, but only from the environmental impact point of view caused by solid waste, but acoustic pollution (constant noise) has been sidestepped", mentioned Dr. Ramón Alvarado, professor at the Department of Music of the University of Guanajuato (UG).

Based on his doctoral thesis "El paisaje sonoro de la ciudad de Guanajuato, una aproximación desde la música urbana y los pregones", Dr. Alvarado explained that the acoustic pollution is the presence of constant noise and might take over the subconscious. "There will be people who say, "I'm ok with the noise" or who are used to it, but that is not true, because noise doesn't let you have a good rest", assured the professor.

He added that the main problem caused by noise in the human being is stress, which causes insomnia and the chronic fatigue syndrome, which causes bone pain and constant flus, "they feel sick all day and they don't get to midday in their jobs when they are exhausted, they are sleepy, have headaches, extremities hurt, and a series of situations caused by stress."

He said the 68 decibels from six o'clock in the morning to 10 at night and 40 decibels from 10 at night to 6 am the next day, are the maximum limits allowed in the city of Guanajuato according the Mexican Official Norm NOM081ECOL1984 and the Rules for Environmental Protections, referring to the emission of noise.

Derived from his research, he affirmed that he has detected up to 98 decibels in front of Teatro Juárez in the city of Guanajuato, only in that part. "If I am transgressing a law, I'm going beyond the rights of others, so I'm committing a felony", mentioned Dr. Alvarado, who said that ignorance of the law doesn't relive you from guilt.

He explained that if they live next to a bar or any place with a lot of acoustic communication, it will present stress. When the external noise permeates the interior of a house, it will increase to the double the volume of the voice, Tv and stereo.

He added that to be able to communicate with a person, you would have to yell, the normal chatter is 40 decibels approximately, so it would increase to 90 decibels by the external noise; insisted that it is an exaggeration for the human ear, because in addition of stress, the constant noise hurts the small bones of the ear from its villi "which are there to protect us from bacteria and noise, they wear or become callouses, so hearing diminishes."

Another thing that is currently suffered, not only in the city of Guanajuato, but in the whole state and country, is the presence of modified motorcycles, where they remove the silencer and leave the exhaust empty, this amplifies the sound 30 times more, increasing the noise in the streets.

Dr. Alvarado cleared that it is not about people stop buying motorcycles or enjoy life, but to avoid affecting other people's life, mainly with noise. "We are free, but we aren't free to transgress the rights of others", he asserted.

The next step in his research is to go to the corresponding authorities to explain the results of his thesis, since it has discovered a problem and there are even families who opt to stop living in central zones to avoid being affected by noise.

It is not about silencing the cities, he cleared, not all the sounds pollute, so, for example religious parties constitute a sound landscape enriched with expressions of Mexican culture, such as dancers. So, what it is sought is to establish limits to the continued presence of an unpleasant noise, meaning acoustic pollution.

"Let's think about the rights of others, I mean, let us not pollute the environment with noise because it is for everyone, let us form a complex society where we all need from everyone in a moment, such as the wheel of fortune, sometimes we are up, and sometimes we are down. Try to live in peace is fantastic.", finalized Dr. Ramón Alvarado.

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