Tag: pollution
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Air pollution
Introduction The World Health Organisation (WHO) defines air pollution as “the presence of materials in the air in such concentration which are harmful to man and his environment.” Actually, it is the occurrence or addition of foreign particles, gases and other pollutants into the air which have an adverse effect on human beings, animals, vegetation,…
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Problem of city pollution
Introduction 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. Any kind of undesirable and unwanted change in the proportions of these elements can be termed as pollution. Causes of Pollution The poisonous water and waste product of the…
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