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Overpopulation

By alirem Mar 09, 2014 1000 Words
It is a well-known fact that overpopulation has become a crucial case all over the world. Many researches have been done about results of population growth so far and they bring questions in their wake such as “What are the effects of overpopulation to sustainable resources and how to prevent from its results to the future?” Researchers consider about the main needs of people because population growth is an unignarable case for many years. Although, natural resources would be used for several decades, there are three results of overpopulation which are resource exhaustion, pollution and agricultural consumption that threaten future the most. Inıtially, one of the most vital results of overpopulation is in terms of resource exhaustion. Firstly, the rise in birth rate has a great impact on natural resources especially in respect to food consumption. In other words explosive problems of world population consume natural food resources since humanity need more and more food especially agricultural food naturally. "One billion people, one out of every seven people alive, go to bed hungry. Every day, 25,000 people die of malnutrition and hunger-related diseases and almost 18,000 of them are children under 5 years old. Food production and distribution could catch up if our population stopped growing and dropped to a sustainable level." according to Institute for Population Studies (2009). Here is another anecdote given by Thomas Robert Malthus (2002)"Each person has a number of vital (food, drink, clothing) and non-vital (education, employment, entertainment) needs, all of which require consumption of Earth's resources. When the number of people demanding these needs becomes extremely high, scarcity becomes a critical issue that in extreme cases can cause a "Malthusian catastrophe"". It is very obvious to see from given examples that overpopulation causes an extreme scarcity in terms of food resources. Another crucial result of overpopulation is water consumption. Water sources are rapidly decreasing all over the world because of humanity's insensible consumption frenzy. TheBurningPlatform.com (2009) put forth that "If the world's population grows from 6.7 billion people to 7.5 billion by 2020 - a possible projection by the U.N., water use would increase by 40% to support the food requirements of the additional people. 1.8 billion people would be living in regions with extreme water scarcity." Also there is a survey done by a free internet site prove some reasons of water scarcity and one of the reasons is "worldwide population growth". Considering all of the researches and surveys it is clearly understood that due to overpopulation water sources diminishing each and every day. In addition to natural resource exhaustion, pollution is also a very crucial result of overpopulation. Firstly, with the rise in birth rate, pollution has been being more influential against environment and it has overhanging bio-diversity.  According to UN’s 3rd Global Biodiversity Outlook, the rate of biodiversity loss has not been reduced because of 5 reasons and one on them is over-population. Also there is another report given by Environment New Service says bio-diversity is lost and vegetation is so much destroyed. Thus, it is very obvious that the decrease in bio-diversity is so much related to over-population, in other words related directly people. Secondly, some livings will no longer exist as a result of pollution. Seas and oceans are getting more and more mess over the World and especially fish are affected abundantly from this case. There is an explanation given by Enviropaedia says “Springs, rivers and other wetlands as well as underground water sources would run dry; lakes and estuaries where fish stocks breed would be irreversibly damaged; the list of impacts is long.” Also, there is a free research shows that fish diversity has declined as almost half during the last decade and it continues to decline. Also they set forth that the fish diversity will be zero in 2050 if the pollution continues like this. Considering all these cases and researches, pollution is a nonignorable result of overpopulation. On top of resource exhaustion and pollution, agricultural consumption is also a result of overpopulation. Firstly, population growth causes the fertile lands in many of overpopulated regions is expended, farmers have begun to cultivate dry, hilly, infertile areas that are not suitable for farming. An estimate given in a free internet site that is "It is estimated that 1.2 billion hectares of land, approximately the size of Europe, U.S. and Mexico combined, have lost much of their agricultural output capability in the last 50 years." Also, many analysts are revealing a decline in country's agricultural fertility. Secondly, related to decrease in fertile lands due to population growth, many agricultural good diversity is decreasing. The natural flora and fauna have been under constant pressure to adapt to a quickly changing environment. It is presumed that 10% of the species became extinct according to Presswire (1992). To conclude, due to rise in population agricultural diversity and fertile lands will not be as much as today's. To conclude, there are three results of overpopulation that threaten the future the most which are resource exhaustion, population and agricultural consumption. Many researches done and it is ensured that there will be done more about preventing from results of overpopulation. However, the real case is that how to inform people about family planning since there are lots of illiterate people and they don’t know about demographics. In short, people should be informed about the results of overpopulation since if the population growth continues like this, there will not be any food to eat and area to live.

REFERENCES
Earth Policy Institute. (2012, January 5). Water. Retrieved December 7th, 2013, from Overpopulation: http://www.overpopulation.org/water.html Ekosistem Ekolojisi. (2009, June 4). Retrieved December 7th, 2013, from Biyoloji Sitesi: http://www.biyolojisitesi.net/tum%20uniteler/ekosistem_ekolojisi/nufus_artisinin_surdurulebilirlige_etkisi.html Institute for Population Studies. (1998, July 12). Environmental and Social Ills. Retrieved December 7th, 2013, from How Many: http://howmany.org/environmental_and_social_ills.php Rosenberg, D. (2009, May 19). Water. Retrieved December 7th, 2013, from Enviropedia: http://www.enviropaedia.com/topic/default.php?topic_id=198 West, L. (2011, February 23). Population Growth. Retrieved December 7th, 2013, from Environment: http://environment.about.com/b/2009/03/23/population-growth-expected-to-cause-a-food-water-and-energy-crisis-by-2030.htm

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