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Pollution

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Pollution is the introduction of
contaminants into an environment that
causes instability, disorder, harm or
discomfort to the ecosystem i.e. physical
systems or living organisms.[1] Pollution can
take the form of chemical substances or
energy, such as noise, heat, or light.
Pollutants, the elements of pollution, can be
foreign substances or energies, or naturally
occurring; when naturally occurring, they
are considered contaminants when they
exceed natural levels. Pollution is often
classed as point source or nonpoint source
pollution. The Blacksmith Institute issues
annually a list of the world’s worst polluted
places. In the 2007 issues the ten top
nominees are located in Azerbaijan, China,
India, Peru, Russia, Ukraine and Zambia.
In the late industrial age, the term overpollution was common, representing a view that was both critical of
industrial pollution, but likewise accepted a certain degree of pollution as nominal industrial practice.
Ancient cultures
Air pollution has always been with us. Soot found on ceilings of prehistoric caves provides evidence of the high
levels of pollution associated with inadequate ventilation of open fires.

[2] The forging of metals appears to be a key
turning point in the creation of significant air pollution levels outside the home. Core samples of glaciers in
Greenland indicate increases in pollution associated with Greek, Roman and Chinese metal production.[3]
Official acknowledgement
The earliest known writings concerned with pollution were written between the 9th and 13th centuries by Persian
scientists such as Muhammad ibn Zakariya Razi (Rhazes), Ibn Sina (Avicenna), and al-Masihi or were Arabic
medical treatises written by physicians such as al-Kindi (Alkindus), Qusta ibn Luqa (Costa ben Luca), Ibn Al-Jazzar,
al-Tamimi, Ali ibn Ridwan, Ibn Jumay, Isaac Israeli ben Solomon, Abd-el-latif, Ibn al-Quff, and Ibn al-Nafis. Their
works covered a number of subjects related to pollution such as air.

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Cite this Pollution

Pollution. (2018, Aug 19). Retrieved from https://graduateway.com/pollution/

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