Environmental Pollution

Pollution means contamination of earth’s environment with
materials that interfere with human health, the quality of life, or natural
functioning of ecosystems (living organisms and their natural surroundings).
Although some environmental pollution is a result of natural causes such as
volcanic eruptions, yet most is caused by human activities. People are
exploiting the nature in many ways and creating pollution everywhere. Mankind
today appears like a foolish man who is wielding. An axe at the branch of the
tree on which he is sitting. 

Pollution exists in many forms and affects many different
aspects of earth’s environment. Much Pollution comes from specific, localized
and identifiable sources, such as sewage pipelines 0r industrial
smokestacks. Another kind of pollution comes from dispersed or uncontained
sources, such as contaminated water runoff from urban or automobile emissions.

Human contamination of earth’s atmosphere can take many forms
and has existed since humans first began use tire for agriculture heating and
cooking. It can be seen in the indiscriminate cultivation of land. The
destruction of forests and in the annihilation of active species. Man’s voracity
has upset the balance of nature. Earth provides enough to satisfy every man’s
need. But not for every man’s greed”. Urban air pollution is commonly
known as smog’ (a form of air pollution produced by the photochemical reaction
of sunlight with hydrocarbon” and nitrogen oxides that hate been released into
the atmosphere, especially by automotive emissions). Air pollution has
developed into a major health hazard in the modern time. As pollutant build up
in atmosphere and nitrogen oxides are convened into acids that mixed with rain.
The acid rain falls in lakes and on forests, where it can lead to death of fish
and plants and damage entire ecosystem. Eventually the contaminated lakes and
forests may become lifeless. 

One of the greatest challenges caused by air pollution is Global
Warming, an increase in earth’s atmosphere due to the buildup of certain gases
such as carbon dioxide. With the heavy use of the fossil fuels in the modern
era, atmospheric concentrations of carbon dioxide have risen dramatically.
Carbon dioxide and other gases, known as green house gases, reduce the escape
of heat from the planet and block the radiation coming from the sun The
“era” global temperatures are expected to rise because of this green house
effect and it would main the earth warmer change climate patterns, affect crop
production. Disrupt wildlife distributions and raise the sea level. 

Sewage industrial wastes and agriculture chemicals such as
fertilizers and pesticides are the main causes of water pollution. In
developing nations more than 95 percent of urban sewage is discharged untreated
into rivers and bays, creating a major health hazard. Water runoff a major
source of pollution, carries fertilizing chemicals, such as phosphates and
nitrates from agricultural fields and yards into lakes, streams and rivers. The
water body may then become choked with decaying algae. Which severely depletes
the oxygen supply? It causes the death of fish and other aquatic life. 

 Unwanted sounds or noise, such as that produced by airplanes
traffic or industrial machinery is considered a form of pollution. Noise pollution
is at its worst in dense populated areas. It can cause hearing loss stress high
blood pressure sleep loss.  Noise
pollution can be overcome by adding insulation and soul proofing to doors.
walls and ceilings and also by using air protection. Particularly, if
industrial working areas. 


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