What is pollution ? Types and sources and fact and effective of pollution

What is pollution ? 


Plato's lamented the destruction of soil and forest in ancient Greece . Dickens and Engels wrote eloquently of the wretched conditions spawned by the industrial Revolution.  But the surge in concern about environmental quality over the last three decades has been uniquely widespread and impassioned . Appreciably of the material and spiritual importance of healthy natural environment has spread .



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Perhaps The most dramatic intellectual shifts are occurring in the third world . Where understanding of the ecological underpinning of human life - largest lost in the past war dreams of industrialization is on the rise . The new interest in environmental quality complement ricent shifts in thought among development  theorists , many of whom now stress the need to address . Need of the poor directly  rather than hope that the banefit of growth Will trick down to them . Improving the lot of the under class and protective environment quality can be mutually supportive goals.




Type and sources and effect of pollution




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Type and sources of pollution image


Both internationally and within nations , the new appreciation of our bonds with nature has spawned new institution and policies -new Un government agencies , new laws , altered aid programs , new international treaties . Yet for the most part response remains inadequate to the needs . For the most urgent need today is to protect and preserve what remains of the environment to do that one has to understand the remaining meaning of pollution and consider ways of tackling it.
When ever we encountere the term pollution now , we mean environment pollution thought the dictionary describe pollution as the act of making something foul , unclean , dirty, impure , contaminated , defiled , tainted , Descartes , environment pollution may be described as the unfavorable alterations of our sorrondings , it takes the place through change in engeries pattern , radiation levels , chemical and physical constitute and abundance of organism , it includes release of material into atmosphere which makes the air unsuitable for breathing , harm the quality of water and soils , and demage the health of human being , plants and animals .


Information  about air pollution



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Air pollution image


 Air pollution in one form of another has accumpanied  human society the beginning . Cooking over a wood dung cake fire often create a smoky , unhealthy living environment . Today many third world cities and even entire rural valleys are blanked by smoking haze , the poor man smog . In the nineteenth and early twentieth centuries , many cities of Europe and the us where covered with black shroud smoke . Despite the success registered against smoke , the pollution of city air the product of coal combustion ( above all , sulphur dioxide) and by nitrous oxides , hydrocarbon , petroleum waste and carbon monoxide counties to worse in the most of counties . Strong evidence indicates that prevailing level of air pollution contribute to the development of
Chronic respiratory diseases ( emphysema , asthma , and chronic bronchitis ) besides short term respiratory affliction as well . And those living near smellers and refineries often faced increase cancer risk because of the toxic substances spewing from smoke stacks .



Information about water and thermal pollution



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Water and thermal power pollution image


The presence in water of ' micro pollution and toxic chemicals and metals and of disease causes micro organism  way also increased concern. In general , pollution from so called  point source like sewage pipes and factory in under progressive better control . But the contamination of waterways from affuse source - run of form farmland which tends to carry fertilizer , pesticides and organic matter and from urban areas which often carries oil matter and other pollutant - remains largely uncontrolled  and is one the increase in the most countries . Acid and heavy metals falling with the rain constitute additional sources of water degradation . The problem of water pollution is growing day by day . Today a great many people are deprived of disease free potable water , as most all the sources of water from seas to well - are increasingly being infested with different kinds of pollutant .

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