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The Pollution Problem

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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.

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

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