Pollution is defined as the introduction of impurities into a natural environment, which hampers its quality. Depending on the nature of the contaminants and the environment where they are introduced, one can categorise pollution accordingly.
In this article, you will become familiar with the fundamental causes and effects of noise pollution and will also find out about effective preventive measures in brief.
With that being said, let’s proceed to find out more about the impact of noise pollution.
It is defined as the unwarranted and excessive sounds in the environment which tend to interrupt the normal flow of activities. Needless to say, they have an unpleasant impact on the environment and its habitants.
It is noteworthy that the permissible noise limit in residential areas is around 55dB during the day hours while 45 dB for the night hours. Anything beyond the allowable limit is considered as noise pollution.
Test Your Knowledge 1: What is noise?
A source of stress b) Unwarranted sound c) An irritant d) All of these.
Test Your Knowledge 2: _____ is used to measure the intensity of sound.
Frequency meter b) Sound level meter c) Both A and B d) Neither A nor B.
These following are some of the prominent causes of noise pollution –
Poor and inadequate urban planning.
Test Your Knowledge: Sound is measured in:
ppm b) Decibel c) Hertz d) None of these.
On that note, let’s quickly check out the consequences of noise pollution and find out ways to prevent them.
The harmful effects of noise pollution are not just limited to human beings; it can also have an impact on animals and the environment on the whole.
These pointers highlight the major effects of sound pollution.
Effects of noise pollution on human health
Here’s how sound pollution impacts human beings –
Soars blood pressure.
Affects sleep cycle.
Leads to hearing impairment.
Damages cognitive functions.
This image below shows a pictorial representation of how noise pollution affects humans.
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Effects of noise pollution on animals
These are some common impact of sound pollution on animals –
Hampers their prey-predator behaviour and increases their risk of death.
Hampers their ability to navigate.
Damages their hearing ability.
Hampers their reproductive ability.
Lead to unusual changes in behaviour.
DIY: Find out the other effects of noise pollution on the environment and add them to the list above.
Following are some of the most effective measures of controlling noise pollution.
Usage of earplugs, noise proof helmets, headphones, ear-muffs in a noisy workspace to limit occupational exposure.
Installation of noisy equipment in soundproof rooms.
Using machines and equipment that emit less sound or using silencer to control noise at the source.
Implementing silence zone protocols near hospitals, educational institutions and residential areas.
Insulating sound at construction units.
Planting shrubs and trees to buffer noise.
Adopting stringent policies to curb noise pollution.
Find out more about what is noise pollution and its effects by enrolling for our live online classes. Also, by accessing our study solutions and chapter-wise notes, you will be able to strengthen your knowledge about other topics quite effectively.
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1. What is noise pollution?
Ans. Noise pollution can be defined as extremely loud sounds that tend to hamper the quality of the environment and habitats living in it. It can also be described as noise that is beyond the permissible limit.
2. What are the harmful effects of noise pollution?
Ans. Several harmful effects are associated with noise pollution and hamper that quality of not just human beings but also animals. For example, it leads to stress, irregular sleep patterns, irritability, hearing impairment, raises blood pressure, etc.
3. What are the measures to control noise pollution?
Ans. Some of the most potent ways to control noise pollution are by imposing stricter laws, creating silence zone protocols, using soundproofing in industries. Similarly, one can control noise pollution at a personal level by using ear-muffs, headphones, earplugs, etc.
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