Topic: Air Pollution - City Comparisons
Background Information - In many of today's modern cities, the main environmental health hazard to the population is exposure to air pollution. These air pollution problems are facing cities. The three main air pollutants are:
Suspended Particles – made up of soot, smoke, dust and liquid droplets.
Associated health hazard: particles and soot exposure over a long period of time is related to a wide range of chronic respiratory illness such as asthma and chronic obstructive pulmonary diseases as well as worsening heart conditions and other conditions.
Sulfur Dioxide – produce by the combustion of fossil fuels, on the whole, motor vehicles and small and varied sources (such as boilers and stoves) contributing the most.
Associated health hazard: causes acid rain and can be extremely detrimental to the health of the young and elderly.
Nitrogen Dioxide – caused by fuel combustion, aerobic decomposition and nitrogenous fertilizers.......

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Title: Air Pollution
Approximate Word Count: 614
Approximate Pages: 3 (250 words per double-spaced page)

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