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http://anyfreepapers.com/free-essays/air-pollution-essay.htmlFree Essay on Air Pollution
Posted onApril 13, 2011 byadmin
AnyFreePapers.com team
Free example essay on Air Pollution:
Air Pollutionis one of the most worrying problems of our time. This problem
surfaced during the industrial revolution. The great industrial revolution brought
about many positive changes to the world; better transportation, cheaper products,
and a better life. However, with its riches came the price, pollution. At the beginning
of the industrial revolution, no one paid any attention to the problem of pollution. As
the science, progressed people started to realize this problem.
Air pollution arises from many sources. The burning of gasoline in automobiles
produces harmful gases and incineration of products. From various factories come
millions of particles that are carried off in the air. Chemical plants produce gaseous
by-products that are toxic when their concentration is high enough. As parts of the
world become more industrialized, air pollution has generally increased and new
health hazards have developed. Air pollution can result from causes that we can not
control. For example, forest fires, dust storms, and volcanoes.
We can write a Custom Essay on Air Pollution for you!Acid rain is one of the products of air pollution. Acid rain is created when raindrops
combine with the polluted air. Acid rain causes erosion of buildings, destruction of
crops, and other assets. Air pollution also causes global warming. . According to
some predictions, significant alterations in climate patterns could become apparent
in a few years. Estimates of global average temperatures have projected an increase
of as much as 9o F before the year 2100.
There are two kinds of sources of air pollution indoor and outdoor air pollution. The
indoor air polluters include many products, from cleansers to furnishings, whichrelease harmful organic compounds into the air you breathe. The EPA has measured
levels of organic compounds in both rural and suburban homes that range from two
to five times the levels of outside air. Another indoor pollutant is called mold, a
microscopic organism, can grow at any surface; it grows at any place where humidity
is above 70 percent. These molds create spores that can go inside a human body and
cause many complications. According to the American Lung Association, mold
triggers allergic reactions, including asthma. A study by the Mayo Clinic states that
mold is the cause of nearly all chronic sinus infections. It can lead to serious
complications, including breathing difficulties, memory and hearing loss, and
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bleeding of the lungs.
As serious as the indoor pollutants are, they are minimal compared to the outdoor
pollution. This pollution includes from factories to volcanoes. Gases are released in
the air because of the fissile fuel burned by the factories ships, automobiles, ships,
and trains. Every industry process exhibits its own patterns of air pollution.
Both sulfur oxides dissolve in atmospheric water droplets to form acidic solutions
that can be very damaging when distributed in the form of rain. It is thought that
sulfuric acid is the major cause of the acidity in acid rain, which is not only damaging
forests in the Northern Hemisphere but also causing fish, to die off in many northern
lakes as well. Acid rain is also corrosive to metals, limestone, and other materials.
The possible solutions to this problem are expensive because of the difficulty of
removing sulfur from coal and oil before they are burned.
Carbon dioxide is not as lethal as carbon monoxide, sulfur oxide, or nitrogen oxide,
however Carbon dioxide (CO2) is one of the major pollutants in the atmosphere.
Major sources of carbon dioxide are fossil fuels burning and deforestation. Industrial
countries account for 65% of carbon dioxide emissions with the United States and
Soviet Union responsible for 50%. Less developed countries,with 80% of the worlds
people, are responsible for 35% of carbon dioxide emissions, but they may contribute
50% by 2020. Carbon dioxide emissions are increasing by 4% a year. In 1975, 18thousand million tons of carbon dioxide was released into the atmosphere, but the
atmosphere showed an increase of only 8 billion tons. The ocean waters contain
about sixty times more carbon dioxide than the atmosphere. If the oceans can no
longer absorb this much carbon dioxide, then more carbon dioxide will remain into
the atmosphere. As water warms, its ability to absorb carbon dioxide is reduced.
Air pollution affects all spheres of the earth, hydrosphere, atmosphere, and the
sphere of life, the biosphere. When pollutants are released in the air, they
contaminate the atmosphere with the deadly gases like Carbon monoxide, Carbon
dioxide, Nitrogen dioxide, Sulfur dioxide, and so on. When these gases come back
down to earth the fell into the water, since 70 percent of earth is covered with water ,
when these hazardous gases fell in the water they contaminate the hydrosphere. In
addition, these gases drop on the land and pollute it. Consequently, all of these
polluted spheres lead to the pollution biosphere, so every sphere is contaminated by
pollution. Air pollution effects land, buildings, and human health.
Air pollution erodes land and buildings, India had 2 billion dollar loss in productivity
because of soil erosion because of acid rain land becomes unfit to produce good crop.
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Soil erosion has consequences that are more serious; Ethiopia loses not 2 billion
dollars but 2 billion tons of soil every year. This is much more serious, losing $ 2
billion is conceivable, but it is hard to understand 2 billion tons of soil eroded away
every year. It is one of the consequences of the air pollution and acid rain. In addition,
many building around the world are mostly made of a rock called limestone,
limestone reacts with acids. Consequently, the buildings will start to erode because of
acid rain.
Effects on humans, air pollution causes many respiratory diseases. It is the leading
cause of asthma, an estimated 24.7 million Americans have been diagnosed with
asthma, according to the American Lung Association; the disease costs the nation
$12.7 billion yearly. From 1980 to 1994, asthma cases increased by 75 percent,
according to the Centers for Disease Control and Prevention. Theses are startling
statistics but they should not be, because from 1980 to 2002, there have been more
factories, more forest fires, and countless automobiles. All of which have been
contributing to the air pollution. In addition, to the current air pollution the
pollution from before 1980 era is still in the air, the environment can not absorb any
more gases.
The governments of the worlds nations are taking measures to solve this problem.
Many countries have passed Clean Air Act, which have reduced the air pollution.However, these laws are not enough to protect the environment. The citizens of these
countries have to take steps to help solve this problem. For example, getting the car
tuned more frequently so it will create less smoke. For factories, owners, to use
resources that produce fewer pollutants, for example instead of using coal, use
natural gas, because it produces less pollution.
In conclusion, imagine a scenario, a Red Cross truck pulls into a small community
and starts handing out bottled water to people in dire need of pure safe water to
drink. It is hard to imagine this kind of event water very important for our life.
However, if the air pollution problem continues there might come a day when we
have to breath out of an oxygen tank. If the problems continuous like this, that day
might not be a thing of the distant future. All I can do is do my part to save the
environment and hope for a solution to this problem.