General

Noise pollution

In small and large cities, pollution is an element that damages the citizens' lives, affecting their health and quality of life. Noise pollution is a type of environmental pollution present in many countries and there are many ways to perceive it.  

What is noise pollution?

Noise pollution is the excess of sound that negatively affects the environment. Noise, understood as a disturbing sound, is acoustic pollution and can generate irreversible negative effects on the hearing, physical and mental health of people and on the ecosystems where it is present. This type of pollution is the second most stressful of the urban environment and its main cause is produced by traffic.

The most common noise pollution is the noise generated around us, especially in streets and avenues. Many times, it goes unnoticed, but it also generates negative effects on human health, fauna or flora of an ecosystem.

Noise in factories, traffic, alarms are part of the noise pollution that we live in the day to day and is the second environmental stressor that negatively affects human health.

In some developed countries there are policies, laws and events to try to control the effects of noise pollution. An example of this are the noise laws that exist in some countries or the noiseless day, an annual event that takes place in some nations.

Causes of noise pollution

Among the causes that produce noise pollution we can mention the noise produced by urban transport, railways, llamas, construction work, ambulance sirens, tools, dogs barking or other domestic animals, loudspeakers, among others.

It has been determined that traffic is the main cause of noise pollution worldwide.

Effects

Among the effects produced by noise pollution we can mention the following:

Many of these negative effects can cause irreversible damage to an ecosystem or its inhabitants.

Prevention

Noise pollution can be prevented or reduced by reducing unnecessary noise such as that caused by cars, motorcycles, outdoors and in our homes by avoiding the sounds of electrical appliances that we are not using.

It is also important to travel to places that are not noisy, improve sound insulation in your home, plant a tree (as they help absorb sound) and keep you informed of legislation that is focused on regulating this type of pollution in your country.

Other ways to prevent noise pollution are avoid making noisy events at night that interfere with the rest of the neighbors, avoid watching television or listening to the radio at full volume and the use of fireworks.

Sources

The sources of noise pollution can be located mainly in urbanized cities, among them the most frequent are:

Unlike other types of pollution, it generates negative effects in the medium and long term.

Types of noise pollution

There are many types of hearing pollution according to their different degrees or levels of sound. These can be:

Examples of noise pollution

Examples of noise pollution include the following:

Other real examples of noise pollution can be found in the world’s noisiest capitals. These are: Sofia, Bucharest, Tallinn, Dublin, Oslo and Prague.

Written by Gabriela Briceño V.
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