WRITE A SHORT ESSAY ON POLLUTION ?

मनुष्य के उत्तम स्वास्थ्य के लिए वातावरण का शुद्ध होना परम आवश्यक होता है। जब से व्यक्ति ने प्रकृति पर विजय पाने का अभियान शुरु किया है , तभी से मानव प्रकृति के प्राकृतिक सुखों से हाथ धो रहा है। मानव ने प्रकृति के संतुलन को बिगाड़ दिया है , जिससे अस्वास्थ्यकारी परिस्थितियाँ जन्म ले रही हैं। पर्यावरण में निहित एक या अधिक तत्वों की मात्रा अपने निश्चित अनुपात से बढ़ने लगती हैं , तो परिवर्तन होना आरंभ हो जाता है। पर्यावरण में होने वाले इस घातक परिवर्तन को ही प्रदूषण की संज्ञा दी जाती है। यद्यपि प्रदूषण के विभिन्न रुप हो सकते हैं , तथापि इनमें वायु - प्रदूषण , जल - प्रदूषण , भूमि प्रदूषण तथा ध्वनि - प्रदूषण मुख्य हैं।

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Environmental pollution is the biggest menace to the human race on this planet today. It means adding impurity to environment. The environment consists of earth, water, air, plants and animals. If we pollute them, then the existence of man and nature will be hampered.

It is true that trees are being cut down rapidly. Our earth is becoming warmer. If pollution continues, the day is not far when our earth will be a boiling pan and become a desert. Or it will be covered with sea water causing destruction of mankind.

Pure air is always needed for inhaling. If we take pure air, our health improves. On the other hand impure air causes diseases and impairs our health and causes our death. Smoke pollutes the air. It is the root of air pollution. The smoke which is discharged from industries, automobiles and kitchens is the mixture of carbon monoxide, carbon dioxide, methane etc. These are all poisonous gases. These cause lung-cancer, tuberculosis etc. which take a heavy toll of life. The glaring incident is the Bhopal gas leak in December 1984. Thousands of the residents of Bhopal died due to lungs problem which was caused by methylamine gas from the Union Carbide Plant.

The garbage emitting foul smell, the decaying plants and animals also cause air pollution. Hence the doctors advise the patients having lungs trouble to settle in some rural places because the air of villages is pure and free from population.

Then comes sound pollution. The harsh sounds of buses, its, mopeds etc. affect our power of hearing and causes fart trouble. It has been reported that there are two villages named Biraspalli and Devadas Palli near Dum Dum airport m Calcutta where a large number of people have lost their power of hearing. This is because of the frequent sounds of planes coming in and going out of Dum Dum Airport. The evils of sound pollution can be imagined from this example.

The water of rivers and seas is being constantly polluted all over the world by various dangerous chemical and biological wastes. Mills and factories discharge very harmful waste waters into many rivers and sea. The water of the Ganges flowing by the side of both Varanashi and Calcutta is extremely polluted and contains all sorts of dangerous bacteria. It is really very strange and laughable that large number of the Indians regard this water as holy. They even drink this water for salvation. There is no doubt that the fish that grow in such waters are poisonous too.

Reckless application of chemical fertilizers, insecticides and pesticides pollutes the soil. Vegetables and fruits are quite injurious today, because they contain the poison of insecticides and pesticides.

If the air we breathe, the water we drink and the soil which produces our crops, vegetables and fruits, all become more and more impure, then our chances of good health and longevity will be very less and less. Environment pollution is a serious menace to our existence. Realising the danger, we must plant trees in large number to absorb impure air. Impure water from industries can be sent back for purification and then it can be used for irrigation purpose. Our government is well aware of the fact and is taking steps to save environment from pollution. We have also I minister to look after the environment.

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In recent years the problem of pollution has become very acute. It is the industrialized west which takes it seriously, because it is suffering from its injurious effects. In India, sufficient attention has not been paid to it so far. If we do not tackle this problem now, future generations will suffer from the harmful effects of pollution.

This problem assumes different forms such as Air pollution, Water pollution, Soil pollution, Noise pollution and Paper pollution. All this pollution results from the greed of man for getting more and more money. Trees have been cut down, on an unprecedented scale and large production by industrialization has assumed gigantic proportions. So the main cause of air and water pollution is unbalanced industrial growth and urbanization and deforestation.

The owners of industries dump waste material on the surface of the earth or in rivers. So, water is polluted and the waste on the earth produces different poisonous gases which pollute the air. On the other hand, forests where purity air have been cut down and new cities and industries have been established in their place. The cutting of the forests causes what is called "The Green House Effects". It results in the heating of the earth 's surface which has serious consequences for life on this planet.

As a result, generations to come are likely to suffer from a number of incurable diseases. Timely measures must be taken to prevent the 'Green House Effect '.

Trees and plants turn carbon-dioxide into oxygen but when they are cut down, the air is not purified. Deforestation also causes soil erosion. The rich soil is either washed away by water or blown away by the wind. So artificial fertilizers are used to maintain its productivity. Polluted water is used for watering the plants and vegetables. In this way, vegetables and crops are polluted. Pesticides are also a source of pollution to our crops, vegetables and fruits.

Water pollution resulted in the outbreak of cholera and gastroenteritis suffering and death on a large scale. Water pollution has assumed alarming proportions and urgent steps are needed to control it.

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 The number of vehicles running on the road, all kinds of vehicles like-e the auto rickshaw, car, lorry, van and motorbike, are the ma-in cause of pollution of air in towns and cities. Villages winch are less crowded than a town are lucky to escape from pollution of toxic gases.

 
Everyone wants to buy a car as car loan is available easily for persons with fixed income. Tourist cars are run in large numb ere these days. The number of vehicles running on the road has increased many times and sometimes there is traffic bottle neck for quite some time. The toxic gas that is let out from them is dangerous to the health of the people. Nowadays the gas emission test is conducted for every car so that the emission of gas by the vehicles is limited. Despite this measure to control the emission of gas the danger of pollution of the atom sphere by the toxic gas of the speeding vehicles on the road has not been completely eliminated. There is many other cause s for the pollution of the atmosphere.
 
Pollute one of our environment occurs in many ways. The rivers are polluted by the effluents from the factories on their banks. The highly poisonous effluents and drainage water mix with the rivers and make them polluted. The Ganges, considered as very sacred, is highly polluted. Burning corpses are let into it and drainage water mixes with it in many places.
 
The Calvary and the Kampala rivers in Karnataka are said to contain metallic chemicals and people who bathe in them develop skin diseases. If drinking water is polluted by the toxic wastes it is highly dangerous to health. Sometimes drainage water mixes with the drinking water and it causes great harm to the people.
 
The emission of various kinds of gases in the air by the chemical factories is another kind of pollution. The gases mix with the air and when people who reside near the factories breathe them they develop chest diseases. The textile mills, the chemical factories and various types of vehicles emit into the air fumes of sculpture and some acids. Fossil-fuel based industries pollute the atmosphere. The environmentalists say that the air of the cities is highly polluted.
 
Loud noises also pollute the air and affect our ear drums. The noise caused by the blaring television sets, the radios, the aeroplanes and the helicopters are also a kind of pollution of the air.
 
The increase of carbon dioxide in the air is the result of the thoughtless felling of trees. It is foreseen by the scientists that the temperature of the world will raise by at least five degrees centigrade in the future. The forest cover plays a major role in causing rainfall. Because of the increase of the gaseous compounds like hydrogen, chloride and fluoride, the ozone layer in the atmosphere gets depleted. As a result of the depletion of the ozone layer the world will become hotter and hotter.
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 You have got 3 essays now. You can take some important points from each essay and make it the best.

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