pollution essay 8th class

Essay "Environmental Pollution" in 200 words - Class 8 PDF Download

The air we breathe, the water we drink, the security of creatures we drink, the security of creatures we share with, and fertility of land on which we grow our food are all deteriorating resulting in the increase of health hazards and lowering standard of health of the nation as a whole, In this seemingly desperate situation how to let our optimum survive is a burning question of the day.

A study conducted by the World Bank in 1995 revealed that 40,000 Indians die prematurely due to polluted air in cities. Yet another study made by the Environment protection Agency shows that every nearly 40,000 children in India are affected by respiratory diseases caused by the growth of carbon dioxide in the atmosphere. Air pollutants are continually poisoning our bones and the most susceptible to pollution are children below five years and elderly persons above 50 years. In general, those who have hyper-responsiveness to the presence of pollutants are bit harder than others. Air pollutants increase the risk of lung disease in asthma patients. Women with previous lead exposures may have elevated blood level during period of high bone turnover as observed during pregnancy, location or hyperthyroidism. Their unborn fetuses may be exposed to this danger as also the new born though breast milk. Children have relatively narrower air passages which are more easily obstructed. They need more oxygen whereas they inhale larger volumes of polluted air. Children are three times more at risk & exposure to pollutants floating in the sky than adults. In Delhi every tenth school going kid is suffering from asthma caused by air pollution. Traffic police men, automobile mechanics, drivers, cyclists, rikshaw-walas, road side vendors and hawkers all inhale more pollutants than others due to the nature of their work.

Vehicular discharged is the most important of pollutants which is wrecking the health of urban populace. Human body can tolerate up to 0.25 milligram of lead in blood. But a resident of cities like Delhi, Mumbai, and Chennai through vehicles.

Air pollution is not visible to the naked eye nor can it be handled or removed by individual efforts. Polluted water can be purified before drinking, polluted food can be done away with, noise pollution can also be controlled by individual efforts but air pollution can be controlled only by the ruling authority. In Singapore owning and running a car has been made so expensive that fewer people dare possess a car. There are many zones in European countries where vehicles are prohibited from plying; High registration fees and restriction on the movement of vehicles can go a long way in saving us from toxns. Keeping half the existing vehicles off the road for two days in a week, improving the quality of fuel and traffic management may also be helpful.

These are all prohibitive measures, which can be enforced only by the Government. Certain protective measures should also be adopted for effective control of this menace. Tree plantation can go a long way to balance the ratio of carbon dioxide in atmosphere. During photosynthesis plants absorb carbon dioxide and release oxygen. Hence plantation of trees wherever possible and ban on cutting of green trees will help in maintaining proper balance in atmosphere. Agricultural land must also be kept under one crop or the other. This will not only protect from air pollution but will also put a check to soil erosion which is an important factor responsible for the loss of fertility of soil.

Water pollution can be checked by keeping our rivers, canals and lakes clean. Industrial wasted must also be disposed off in such a way that it does not contribute to pollution of air and water. At no cost it should be allowed to find its way to the rivers. Use of insecticides in agricultural crops, fruit trees, garden and vegetable crops as also in houses should be judiciously planned.

Noise pollution can be easily and effectively controlled by our individual and social efforts. Proper tuning of musical sets, radios, loudspeakers, T.V. sets and vehicle horns etc. should be practiced.

These should be sustained efforts to find alternatives like solar powered vehicles and appliances to reduce our dependence upon oil engines to run vehicles and generator sets. Only when the problem is tackled on war footing can we control this problem of pollution.

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Essay on Pollution | Pollution Essay for Students and Children in English

Essay on Pollution: Environment is the surrounding of an organism. This environment in which an organism lives is made up of various elements like air, water, land etc. These elements are found in fixed proportions to create a harmonious balance in the environment for the organism to live in. Any kind of undesirable and unwanted change in the proportions of these elements can be termed as pollution.

You can read more  Essay Writing  about articles, events, people, sports, technology many more.

Long and Short Essays on Pollution for Kids and Students in English

Given below are two essays in English for students and children about the topic of ‘Pollution’ in both long and short form. The first essay is a long essay on Pollution of 400-500 words. This long essay about Pollution is suitable for students of class 7, 8, 9 and 10, and also for competitive exam aspirants. The second essay is a short essay on Pollution of 150-200 words. These are suitable for students and children in class 6 and below.

Long Essay on Pollution 500 Words in English

Below we have given a long essay on Pollution of 500 words is helpful for classes 7, 8, 9 and 10 and Competitive Exam Aspirants. This long essay on the topic is suitable for students of class 7 to class 10, and also for competitive exam aspirants.

With the rise of the industries and the migration of people from villages to towns in search of employment, there has been a regular increase in the problem of proper housing, and unhygienic conditions of living has led to rise in factors which increase pollution.

The mad rat race among countries of the world to compete against each other in the index of development has harmed the health of the people itself. Progress in agriculture and industry is taken as an indicator of development. This resulted in the exploitation of natural resources in a reckless manner. Thus, pollution has been an inevitable gift of industrialisation and urbanisation.

The growth of industries has given rise to the problem of proper disposal of waste material of the industries. Many a times, the waste products of these industries contain poisonous elements which if disposed without being properly treated, pollute the rivers and other water bodies. Thus, we face the problem of water pollution.

The poisonous water and waste product of the factories mingles with the water bodies and poisons them. Resultantly, the aquatic life gets affected. Fish die, disturbing the ecological balance. The water too is rendered useless which can neither be used for drinking or washing. This also results in the reduction of the area of water bodies. Such a situation arises when non-degradable products are dumped on fallow land or on the banks of rivers and sea shores.

Waste materials such as plastics, polythene, bottles etc cause land pollution and render soil infertile. Moreover, dumping of dead bodies of men and animals, washing of clothes and utensils too add to the problem. In recent surveys, Sabarmati river in Gujarat, Yamuna and Ganga rivers have been found to be excessively polluted. Yamuna has been described as an ‘Open Drain’.

Another major problem of pollution is the air that we breathe in being polluted by the smoke pouring out of chimneys and automobiles. No doubt, air pollution takes place even by volcanoes, cyclones, forest fires etc. But human activities are more responsible for causing air pollution. Gases like CO 2 , CO, SO 2 , are emitted which mix with air and cause great harm to the human body, flora and fauna.

The use of dry farm waste, dry grass, leaves and coal used as domestic fuels in our villages also produce harmful gases. Acid rain occurs due to excess of SO 2 in the air. The most tragic incident of air pollution is the Bhopal Gas Tragedy when the dangerous Methyl Isocyanide was emitted from Union Carbide Fertiliser Factory in 1984 which killed thousands of men, women and children, and rendered thousands of others handicapped.

Fire crackers, nuclear explosions, air conditioners, refrigerators, organic solvents, pesticides etc also contribute significantly in polluting air. Air pollution not only causes various kinds of allergies, respiratory problems and other health problems but also affects the vegetation, animal life and the environment. The soot which contains high concentration of hydrocarbons proves very harmful for monuments like the Taj Mahal.

Another very subtle form of pollution is noise pollution. Technology has given us comfort along with a cacophony of harsh and unharmonious sounds. This problem is extremely severe in big towns and cities. The maddening horns, loud speakers, music systems etc cause metabolic, hearing and other kinds of disorders. Noise pollution may also lead to a nervous breakdown or madness. Uttar Pradesh Pollution Control Board (UPPCB) recently revealed that even silence zones, such as hospitals, schools and residential areas are suffering from high decibels of sound.

Thus, we see that there are various kinds of pollutions which need to be checked in time. Problems like ozone depletion, global warming, greenhouse effect, change in climatic and weather conditions, melting of glaciers etc have arisen due to pollution. Strict and serious measures should be taken to control it. Industrial waste should be properly treated in special treatment plants before letting it flow into the water bodies or dumping it. The pollution department of Farrukhabad issued directives to close all textile dyeing units, polluting the Ganga river.

Use of organic manures should be encouraged instead of chemical fertilisers to prevent soil pollution. Planting of trees should be encouraged and cutting down of green trees should be strictly checked. Unleaded petrol should be used in vehicles. The directions of the Supreme Court to manufacture cars as per Euro I and Euro II norms should be strictly enforced.

Short Essay on Pollution 200 Words in English

Below we have given a short essay on Pollution is for Classes 1, 2, 3, 4, 5 and 6. This short essay on the topic is suitable for students of class 6 and below.

Industries should have proper emission systems and should conform to the laws in order to ensure safety of the people living in residential areas around. Strict laws should be legislated and enforced regarding the keeping of our sea shores and river banks clean. For example, Himachal Pradesh was the first state to ban plastic and polythene bags, to save the fragile ecology of Himalayas. But the law exists only on paper.

The horns of automobiles should be checked as per the limits prescribed by law. Loud speakers music system etc should be strictly prohibited after ten at night and vehicles should not be allowed to play their stereos at high volume.

The Government, after launching online green clearance systems for industrial and infrastructure projects, now will monitor treatment of industrial effluents and emissions, in a similar manner, by using online systems. The purpose is to bring transparency and facilitate real-time analysis of waste discharge.

The Government should also try to educate people about various kinds of pollution and create public awareness. People should be involved in helping to reduce and control pollution. Moreover, punishments should be strictly given in case of violation of any environmental law so that such people learn a lesson. Until we all get serious and resolve to make our planet a better place to live in, humanity stands amidst grave danger of perishing and being destroyed due to the severe and increasing problem of pollution. Franklin D Roosevelt, former American President, said the same about pollution:

“A nation that destroys its soils, destroys itself.”

Pollution Essay Word Meanings for Simple Understanding

• Reckless – utterly unconcerned about the consequences of some action, without caution, careless
• Inevitable – unavoidable
• Fallow – plowed and left unseeded for a season or more, uncultivated
• Solvent – a substance that dissolve another to form a solution
• Hydrocarbon – any of a class of compounds containing only hydrogen and carbon, as an alkane, methane, CH 4 , ethylene, C 2 H 4 , C 2 H 2 or an aromatic compound, benzene, C 6 H 6
• Subtle – insidious in operation
• Decibe – a unit used to express the intensity of a sound wave, equal to 20 times the common logarithm of the ratio of the pressure produced by the sound wave to a reference pressure, usually 0.0002 microbar
• Fragile – delicate
• Perish – to suffer spiritual death

Plastic Pollution Essay for Students and Children

500+ words essay on plastic pollution.

Plastic is everywhere nowadays. People are using it endlessly just for their comfort. However, no one realizes how it is harming our planet. We need to become aware of the consequences so that we can stop plastic pollution . Kids should be taught from their childhood to avoid using plastic. Similarly, adults must check each other on the same. In addition, the government must take stringent measures to stop plastic pollution before it gets too late.

Uprise of Plastic Pollution

Plastic has become one of the most used substances. It is seen everywhere these days, from supermarkets to common households. Why is that? Why is the use of plastic on the rise instead of diminishing? The main reason is that plastic is very cheap. It costs lesser than other alternatives like paper and cloth. This is why it is so common.

Secondly, it is very easy to use. Plastic can be used for almost anything either liquid or solid. Moreover, it comes in different forms which we can easily mold.

Furthermore, we see that plastic is a non-biodegradable material. It does not leave the face of the Earth . We cannot dissolve plastic in land or water, it remains forever. Thus, more and more use of plastic means more plastic which won’t get dissolved. Thus, the uprise of plastic pollution is happening at a very rapid rate.

Get the huge list of more than 500 Essay Topics and Ideas

Impact of Plastic Pollution

Plastic Pollution is affecting the whole earth, including mankind, wildlife, and aquatic life. It is spreading like a disease which has no cure. We all must realize the harmful impact it has on our lives so as to avert it as soon as possible.

Plastic pollutes our water. Each year, tonnes of plastic are dumped into the ocean. As plastic does not dissolve, it remains in the water thereby hampering its purity. This means we won’t be left with clean water in the coming years.

Furthermore, plastic pollutes our land as well. When humans dump Plastic waste into landfills, the soil gets damaged. It ruins the fertility of the soil. In addition to this, various disease-carrying insects collect in that area, causing deadly illnesses.

Should Plastic Be Banned? Read the Essay here

Most importantly, plastic pollution harms the Marine life . The plastic litter in the water is mistaken for food by the aquatic animals. They eat it and die eventually. For instance, a dolphin died due to a plastic ring stuck in its mouth. It couldn’t open its mouth due to that and died of starvation. Thus, we see how innocent animals are dying because of plastic pollution.

In short, we see how plastic pollution is ruining everyone’s life on earth. We must take major steps to prevent it. We must use alternatives like cloth bags and paper bags instead of plastic bags. If we are purchasing plastic, we must reuse it. We must avoid drinking bottled water which contributes largely to plastic pollution. The government must put a plastic ban on the use of plastic. All this can prevent plastic pollution to a large extent.

FAQs on Plastic Pollution Essay

Q.1 Why is plastic pollution on the rise?

A.1 Plastic Pollution is on the rise because nowadays people are using plastic endlessly. It is very economical and easily available. Moreover, plastic does not dissolve in the land or water, it stays for more than hundred years contributing to uprise of plastic pollution.

Q.2 How is plastic pollution impacting the earth?

A.2 Plastic pollution is impacting the earth in various ways. Firstly, it is polluting our water. This causes a shortage of clean water and thus we cannot have enough supply for all. Moreover, it is also ruining our soils and lands. The soil fertility is depleting and disease-carrying insects are collecting in landfills of plastic.

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Class 8 Pollution of Air and Water

• Updated on  
• Dec 2, 2023

Pollution of Air and Water is the 18 th chapter of the class 8 NCERT book. It makes the students aware of the pollution of air and water through human activities and how they affect our health. It also provides useful measures which can be taken in the day-to-day routine to counter them. In this blog, we will read some of the important notes on Class 8 Pollution of Air and Water.

Download the Full Class 8 Pollution of Air and Water Chapter Here

Brief Notes on Class 8 Pollution of Air and Water

Air is a very important element in the atmosphere which makes this Earth livable for us. It consists of a mixture of gases which by volume are – about 78% of nitrogen, about 21% oxygen and carbon dioxide, argon, methane, ozone, and water vapors in very small quantities.

Air Pollution

Contamination of air by unwanted substances which has a harmful effect on both the living and the non-living is referred to as air pollution. A thick fog-like layer in the atmosphere especially during winter is smog which is made up of smoke and fog. Smoke contains oxides of nitrogen which combine with other air pollutants and fog to form smog. The smog causes breathing difficulties such as asthma, cough, and wheezing in children.

Air Pollutants

The substances which contaminate the air are called air pollutants. Sometimes, such substances may come from natural sources like smoke and dust arising from forest fires or volcanic eruptions, or certain human activities.

The sources of air pollutants are factories, power plants, automobile exhausts, and the burning of firewood and dung cakes.

• The Vehicles produce high levels of pollutants like carbon monoxide, carbon dioxide, nitrogen oxides, and smoke.
• Carbon monoxide is also produced from the incomplete burning of fuels such as petrol and diesel. It is a poisonous gas because it reduces the oxygen-carrying capacity of the blood.
• Many industries like petroleum refineries are major sources of gaseous pollutants like sulphur dioxide and nitrogen dioxide. Sulphur Dioxide is produced by the combustion of fuels like coal in power plants. It can cause respiratory problems and permanent lung damage.
• Other kinds of pollutants are chlorofluorocarbons (CFCs) which are used in refrigerators, air conditioners, and aerosol sprays. CFCs damage the ozone layer of the atmosphere which is very harmful. Less harmful chemicals are being used in place of CFCs these days.

Not only living organisms but non-living things like buildings, monuments, and statues also get affected by air pollution. One such example of a famous monument being affected by air pollution is the Taj Mahal which is one of the 7 wonders of the world.

The industries located around Agra like rubber processing, automobile, chemicals, and oil refinery have been responsible for producing pollutants like sulphur dioxide and nitrogen dioxide. These gases react with the water vapors present in the atmosphere to form sulphuric and nitric acid. This acid then mixes with rain making it acidic and it is called acid rain .

This Acid rain corrodes the marble of the monument through a phenomenon called “ Marble cancer ”. Suspended particulate matter such as the soot particles emitted by oil refineries and other factories have contributed to the yellowing of the marble of the Taj Mahal. The Supreme Court has therefore taken steps to save the Taj by ordering industries to switch to cleaner fuels like CNG (Compressed Natural Gas) and LPG (Liquefied Petroleum Gas) and automobiles to switch over to unleaded petrol in the Taj zone.

Green House Effect

The trapping of radiation by the earth’s atmosphere is similar to how the greenhouse traps heat to keep the plants inside the greenhouse warm. That is why it is also called the greenhouse effect. Without this process, life is not possible on Earth. But the excess of this phenomenon threatens and endangers life on Earth.

Greenhouse Gases

Gases like CO2, methane, nitrous oxide, and water vapors also contribute to the greenhouse effect hence they are called greenhouse gases

Global Warming

The gradual increase in the average temperature of the Earth’s atmosphere is called global warming. Global warming can cause sea levels to rise and affect rainfall patterns, agriculture, forests, plants, and animals.

Deforestation leads to an increase in the amount of CO2 by reducing the number of trees that consume CO2. Human activities contribute to the accumulation of CO2 in the atmosphere adding to the greenhouse effect and thus eventually Global Warming.

What can be done to reduce air pollution?

• A decision was taken by the government to switch to fuels like CNG unleaded petrol in vehicles which has resulted in cleaner air for the country.
• “Say no to crackers” campaign was organized by children from many schools and it made a big difference to the air pollution levels around Diwali.
• Switching over to alternative fuels like solar energy, hydropower, and wind energy instead of fossil fuels for our energy requirements could help a lot.
• Small contributions on our part like Aforestation can help a lot. Van Mahotsav is organized every year in July when lots of trees are planted. So we can help plant trees and nurture the ones already present in the neighborhood.

Water Pollution

Water is another one of the most important elements which are required for the sustenance of life on Earth. But clean water is what gives us life whereas contaminated water can give us diseases.

Potable Water

The water suitable for drinking is called potable water.

The contamination of water by unwanted and harmful substances is called Water pollution.

Water Pollutants

The substances that pollute water like sewage, toxic chemicals, silt, etc. are called water pollutants.

One big example of water pollution in our country is pollution of Ganga. A study by the (WWF) World Wide Fund for Nature found that river Ganga is one of the 10 most endangered rivers in the world and the pollution levels in it have been rising steadily for many years. The towns and cities through which the river flows throw large quantities of garbage, untreated sewage and many other harmful things directly into the river. In fact the river has been declared ‘dead’ at many places where the pollution levels are so high that aquatic life could not survive.

The Ganga Action Plan was launched in 1985 to reduce the pollution levels in the river. The increasing population and industrialization have already damaged this beautiful river beyond repair and therefore the Government of India launched another initiative known as (NMCG) National Mission for Clean Ganga in 2016.

Causes of Water Pollution

• Many industries like oil refineries, paper factories, textile and sugar mills, and chemical factories discharge harmful chemicals into rivers and streams, causing the pollution of water. This is called chemical contamination of water. The chemicals released into the water include arsenic, lead, and fluorides which lead to toxicity in plants and animals. There are regulations to prevent this and industries are supposed to treat the waste produced before discharging it into the water but the rules are not followed very often. The soil is also affected by the impure water causing changes in acidity, growth of worms, etc in the soil.
• All the chemicals in weedicides and pesticides dissolve in water and are washed into water bodies from the fields and even seep into the ground and pollute groundwater. These chemicals in the water bodies act as nutrients for algae to flourish which serve as nutrients for algae to flourish. A lot of oxygen is used up by these unwanted processes which result in a decrease in the oxygen level and can kill aquatic organisms.
• Untreated sewage with food wastes, detergents, micro-organisms, etc. when thrown directly into the water bodies also causes water pollution. Water contaminated with sewage may contain bacteria, viruses, fungi, and parasites which can cause diseases like cholera, typhoid, and jaundice.
• Hot water can also become a pollutant. When released into the rivers power plants and industries it can raise the temperature of the water body which adversely affects the animals and plants living in it because they are used to a certain temperature of the water. Sudden fluctuation in the temperature affects the flora and fauna negatively and can even kill them.

How to Make Water Safe

• Filtering- A popular household filter is a candle-type filter.
• Boiling- Many households use boiling for obtaining safe drinking water. Boiling kills the germs present in the water and makes it safe for drinking.
• Chlorination– It is a commonly used chemical method for purifying water by adding chlorine tablets or bleaching powder to the water. But more chlorine tablets than specified should not be used because they are harmful.
• Water treatment plants– Laws should be strictly implemented so that polluted water isn’t disposed of directly into rivers and lakes. Water treatment plants should be installed in all industrial areas.
• At an individual level, one should consciously save water and not waste it. Reduce, reusing and recycling should be used diligently as a method. Reusing water used for washing and for other household tasks, water used for washing vegetables can be used to water plants in the garden, while brushing your teeth or washing utensils the taps should be turned off. Leaving the tap running can waste several liters of water. Using simple methods in our everyday routine can help in saving water.

Clean air consists of a mixture of gases which by volume are – about 78% of nitrogen, about 21% oxygen, and carbon dioxide, argon, methane, ozone, and water vapors in very small quantities. Whereas polluted air contains unwanted substances called air pollutants which have a harmful effect on both the living and the non-living.

Contamination of air by unwanted substances which has a harmful effect on both the living and the non-living is referred to as air pollution. The contamination of water by unwanted and harmful substances is called Water pollution.

Water can be contaminated by the things given below – •  Many industries like oil refineries, paper factories, textile and sugar mills, and chemical factories discharge harmful chemicals into rivers and streams, causing the pollution of water. This is called chemical contamination of water. The chemicals released into the water include arsenic, lead, and fluorides which lead to toxicity in plants and animals. There are regulations to prevent this and industries are supposed to treat the waste produced before discharging it into the water but the rules are not followed very often. The soil is also affected by the impure water causing changes in acidity, growth of worms, etc in the soil. • All the chemicals in weedicides and pesticides dissolve in water and are washed into water bodies from the fields and even seep into the ground and pollute groundwater. These chemicals in the water bodies act as nutrients for algae to flourish which serves as act as nutrients for algae to flourish. A lot of oxygen is used up by these unwanted processes which result in a decrease in the oxygen level and can kill aquatic organisms. •  Untreated sewage with food wastes, detergents, micro-organisms, etc. when thrown directly into the water bodies also causes water pollution. Water contaminated with sewage may contain bacteria, viruses, fungi, and parasites which can cause diseases like cholera, typhoid, and jaundice. • Hot water can also become a pollutant. When released into the rivers power plants and industries it can raise the temperature of the water body which adversely affects the animals and plants living in it because they are used to a certain temperature of the water. Sudden fluctuation in the temperature affects the flora and fauna negatively and can even kill them.

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Hope these notes on Class 8 Pollution of Air and Water and extra questions helped you in understanding the chapter better. If you need help with other science chapters or with any other subject check our other blogs at Leverage Edu . We hope that these notes will help you get better marks in your exams. All the best!

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• Noise Pollution Essay

Essay on Noise Pollution

Noise pollution is one of the types of pollution we face daily. Like air pollution, water pollution, soil pollution and other types, noise pollution has a major impact on our health. Atmospheric pollution is not the only pollution we go through, but noise pollution can bring destruction to our lives. According to the World Health Organization, noise pollution is a dangerous health issue. The European Environment (EEA) says noise pollution is responsible for 16,600 premature deaths in Europe alone.

A person continuously facing noise pollution can start meeting health issues and can be dangerous in the long term. Several unpleasant noise distractions can bring problems later in life.

Cities have become noisier with car honking, loudspeakers; traffic, etc. leading to noise pollution. Construction of roads, buildings, apartments and other areas are also resulting in increased noise pollution.

What is Noise Pollution?

According to the WHO, noise pollution is a noise above 65db, which can severely affect both humans and animals. A noise beyond 75 dB can be painful and will affect the person severely.

It is impossible to see the danger posed by noise pollution. On land and under the sea, you can't see it, but it still exists. Humans and other organisms can be affected adversely by noise pollution if it is an unwanted or disturbing sound.                     

A decibel is the measurement of sound. Rustling leaves (20-30 decibels) or thunderclaps (120 decibels) to the wail of sirens (120-140 decibels) are all sounds that occur naturally in the natural environment. If a person hears sounds whose decibel level reaches 85 decibels or higher, their ears can be damaged. The sounds of lawnmowers (90 decibels), trains (90 to 115 decibels), and rock concerts (110 to 120 decibels) are just a few familiar sources that exceed this threshold.

The presence of noise pollution has a daily impact on millions of people. Hearing loss caused by noise is the most common health problem caused by noise exposure. Furthermore, loud noise can also lead to health problems such as hypertension, heart disease, sleep disturbances, and stress. All age groups are susceptible to these health problems, especially children. It has been shown that children living near loud airports and busy streets suffer from stress and other problems, such as memory problems, attention difficulties, and difficulties with reading.

Animals are also adversely affected by noise pollution. Caterpillars' hearts beat faster when loud sounds are made, and bluebirds have fewer chicks when loud noises are made. There are many reasons animals utilize sound, including to navigate, locate food, attract mates, and avoid predators. The noise pollution they encounter affects their ability to accomplish these tasks, affecting their survival.

Noisy environments are not only harming animals on land, but it is also getting worse for animals in the ocean. A once tranquil marine environment has become loud and chaotic because of ships, drilling devices, sonar, and seismic surveys. The negative effects of noise pollution are felt particularly by whales and dolphins. For marine mammals, echolocation is essential for communication, navigation, feeding and mate-finding. Excessive noise can interfere with echolocation.

It is the naval sonar devices that produce the loudest underwater noise. The use of sonar works similarly to echolocation in that sound waves are sent down into the ocean and bounce off objects, returning echoes to the ship that can pinpoint the object's location. Whales' ability to use echolocation is interfered with when they hear sonar sounds, which can reach 235 decibels and travel hundreds of miles under the surface. Research has shown that sonar can make whales strand on beaches and alter the feeding behaviour of blue whales (Balaenoptera musculus), which are endangered. Groups representing the environment have called on the U.S. Department of Defense to discontinue or reduce sonar-based military training.

Furthermore, hydrographic surveys can cause loud explosions from inside the ocean. Deep in the water, oil and gas are found using air guns that send sound pulses onto the ocean floor. There is potential for marine animals to be harmed by the sound blasts and to suffer serious damage to their ears. Additionally, the whales may also change their behaviour as a result of this noise. 

In Spain, bioacoustics researcher Michel Andre is studying the effects of noise pollution with the help of hydrophones. He has gathered data from 22 different locations during his project, LIDO (Listening to the Deep Ocean Environment). Using computers, the lab identifies 26 different species of whales and dolphins, including sounds produced by humans. In the analysis, underwater noise will be investigated for its effect on these animals.

What causes Noise Pollution?

Although the world is turning into the use of technology, at the same time, this technology is also harmful. Industries using compressors, exhaust fans, and generators are producing a lot of noise.

Similarly, bikes and cars with old silencers produce heavy noise that can lead to pollution. Planes, heavy trucks and buses are also part of this noise pollution. Low flying aircraft, especially military ones, causes noise pollution. Similarly, submarines can cause ocean sound pollution.

How Noise Pollution affects a Person?

Noise pollution can primarily start affecting the hearing ability of the person, causing permanent hearing impairment. Furthermore, it can cause an increase in blood pressure, hypertension, and other stress-related health issues. In many cases, noise pollution can cause a disturbance in a person's state of mind, which further causes disturbance in sleep patterns, stress, aggressiveness, and other issues. The psychological health of the person can also get disturbed due to regular exposure to noise pollution.  Noise above 45 dB can disrupt the pattern of your sleep. According to the WHO, the noise level should not be more than 30db. Change in the sleep pattern can also bring change in your behaviour.

If you have pets in your home or around your area, then noise pollution can bring a negative impact on the environment. Firecrackers can bring fear in them if they are regularly exposed to them. This will also bring change in their behaviour.

Effect on Wildlife and Marine Life

Animals and marine life are vulnerable to noise pollution. It can affect their listening skills, which further affects their behaviour pattern. These animals find it hard to listen during migration, which can negatively affect their lives. When it comes to marine life, noise pollution can lead to internal damage like physical problems in them.

Measures for Noise Pollution

There are many measures taken by the government and people to reduce the effect of noise pollution. Soundproof walls and windows are now being installed in many houses. Many flyovers in cities have soundproof walls to bring down the noise level to a nearby resident from vehicles running. As responsible citizens, we must contribute towards bringing down noise pollution. Needless honking should be stopped and officials should fine people doing it heavily. Hospitals and schools are built-in silent zones.

There should be rules to avoid noise in residential and sensitive areas. People need to be aware of health hazards from noise pollution.

One of the best ways to bring down noise pollution is by planting more and more plants. This process of planting trees can help to reduce the travelling of noise from one place to another.

Noise pollution is the most common problem faced by humans, thanks to various reasons that push many people to face health issues. Following standard measures can be helpful in the long term for both humans and the environment. The ultimate aim is to bring down noise pollution for a better environment.

Noise Pollution: Impact on Human Health

There are several ways in which noise pollution can harm human health:

Having an elevated blood pressure for a long period directly results in hypertension, which is caused by noise pollution.

Hearing loss occurs whenever humans are repeatedly exposed to sounds that exceed what their eardrums can handle, resulting in permanent damage to their hearing.

To function properly at work, it is necessary to get enough sleep every night. Sleep disorders affect energy levels throughout the day. Pollution causes disturbance in sleep cycles, which in turn results in irritation and unrest.

Heart issues such as blood pressure level, stress and cardiovascular diseases can arise in a healthy individual, but a person suffering from heart disease may experience a sudden increase.

It will affect your mental health also very badly because continuously hearing the noise this much loud will pressure your eardrums and that will badly affect your brain also

FAQs on Noise Pollution Essay

1. What are the significant factors causing noise pollution?

Multiple factors can result in noise pollution. Some of these are massive honking during road traffic, construction, poor urban planning, loudspeaker and others. Furthermore, firecrackers, the noise of bands and others can also result in noise pollution.

To eliminate or decrease noise pollution, it is crucial to know their effect. This will help to create measures and work towards it.

2. How can noise pollution be controlled?

There are different ways of controlling noise pollution. Some of the measures are-

Control at Receiver's End - For those people who are working in noisy installations- they can work on ear-protection aids like earplugs, earmuffs, noise helmets, etc.

Reducing Noise from Vibrating Machine - Another way is by the noise produced from the vibrating machine by vibration damping, beneath the engine.

Planting of Trees - One of the best ways to reduce noise pollution is to plant more and more trees along roads, around hospitals and schools.

3. Who is at the risk of the health effects of noise pollution?

When it comes to the effect of noise pollution, the risk of health effects can be for any age of the person. Sound louder than 80 dB can be hazardous. Be it, kids or young adults, high decibel sound can affect ears. People who listen to headphones can face noise-induced hearing loss issues. Additionally, there is the current scenario where people are completely used to using headphones and gadgets that impact their hearing ability. Because of that, those people are more likely to experience health problems caused by noise pollution.

4. In what different ways can noise pollution cause health problems?

We can say that there are three types of pollutants:

noise from transportation

transportation

transportation, noise from the surroundings

surroundings

surroundings, and industrial noise

Noise from transportation: Traffic noise is mainly responsible for this disturbing noise, which has increased greatly since the number of vehicles has increased. Increased noise pollution causes older people to lose their hearing, headaches, and hypertension, among other diseases.

Noise from the Neighbourhood: Electronics, household utensils, etc. cause a lot of noise. Musical instruments, transistors, speakers, and others are the most common sources.

Noise from Industrial Processes: An industrial machine produces an especially loud noise due to its high intensity. A large number of studies have shown that industrial noise pollution damages hearing by 20% to 30%.

5. How does noise cause environmental pollution? What are the reasons why noise pollution must be taken seriously?

Noise pollution is caused by extreme noises generated by sources such as industry, transport, loudspeakers, etc, which adversely affect human health by causing headaches, migraines, mental imbalance, nervous breakdowns, and heart diseases.

There are numerous health hazards associated with noise. The following are some of the physical, physiological, and psychological effects of prolonged exposure to noise:

A reduction in sleep is one of the effects of repeated exposure to noise.

Noise noise, which affects human productivity and efficiency.

Taking pictures of someone invades their privacy and disturbs their peace of mind.

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Environmental Pollution Essay

The essay on environmental pollution explains how the earth and its natural resources are under the ever-increasing threat of pollution. All life on earth is threatened by this vicious process initiated by human intervention. The pollutants released from all kinds of human activity, including industrial processes, have had devastating effects on the delicate balance of nature. The most common forms of environmental pollution are air pollution, water pollution, and soil pollution. Environmental pollution has to be addressed as the most pressing problem facing humanity now, and solutions have to be implemented before it is too late. Pollution has been causing damage to natural resources in every corner of the world for decades, but it seems that we have been running away from taking any positive measures to mitigate its impact on the environment. This environmental pollution essay in English will help children realise these factors and instruct them to conserve the environment and handle natural resources with the care they deserve.

Reasons for Environmental Pollution

Environmental pollution is a significant problem in the world today. Some industries release chemicals into the air, which cause harm to the ozone layer that shields us from UV radiation. Some industries release harmful chemicals into water resources. These emissions will be carried by wind and rain and deposited on land or ocean surfaces.

Overpopulation is one of the primary reasons for massive environmental pollution. Besides, it has resulted due to improper waste disposal, hazardous chemical emissions, an increase in the number of factories, and overuse of natural resources.

Suggested Article: Causes of Environmental Pollution

Measures to Avoid Environmental Pollution

With the use of renewable energy sources, such as solar and wind power, it is possible to limit global warming and reduce pollution at the same time. One of the leading causes of environmental pollution is the production, transportation and disposal of electronic waste. Companies should install recycling systems for computers and cell phones to reduce their need for landfills.

One of the measures to avoid pollution is to reduce the use of plastics. This includes using fewer disposable containers, choosing reusable bags, and reducing the use of plastics. Another way to avoid pollution is by recycling and disposing of waste responsibly.

Help kids learn how to write an essay on environmental pollution by asking them to read this essay.

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