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Essay about Causes of Overpopulation

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According to the U.S Census Bureau the current world population is estimated to be about 6,770,332,394 people and still growing exponential. Also the world population is suppose to be over 8 billion people by 2025, and 9.5 billion by 2050 (U.S. Census Bureau). The only way to prevent this problem from becoming a world epidemic is by truly understanding some of the causes of the problem and what this problem might bring to the future of mankind.

The world population growth is moving exponentially up in a J curve, which is normal for populations in nature with abundant resources. Surprisingly the human population has not yet reached the carrying capacity (Michigan U.). 11,000 years ago during the time of the agricultural revolution around 9,000 B.C. the population was approximately five million. Between the agricultural revolution and 1 A.D. the population growth was only about one tenth percent per year, and by 1 A.D. the population was around three hundred million (Curtin). From 1 A.D. to 1650 A.D. the population grew to only five hundred million, this is mostly due to the plague in the 1300’s killing around 75 million people. But with breakthroughs in sanitation, agriculture, and many other technologies the world population doubled from five hundred million to over one billion (Curtin). By 1900 the population had grown to over 1.5 billion, and by 1960 to 3 billion. After 1960 it only took 40 years for the population to double to 6 billion unlike before when it took several hundred years or more. (U.S. Census Bureau). The graph below shows the estimated population 500,000 years ago.

Notice the sharp dip before the industrial era due to the Black Death. The Black Death is one of the very few examples that slow down the J...


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...evel, this solution is where in time everyone becomes so stressed that their reproduction is reduced.the final is hoping that something in the environment, like urbanization, will reduce birth rates to a reasonal level (Dolan 60). Some countries have put in place a plan of action to try to help reduce the birth rate, for example china, who has a limit to 1 child per person throughout the country.

If we do not find a solution to the human population problem eventually nature will. When this happens it will not be anything anyone has hoped for the solution. This is believed to most likely be a massive super plague, lack of resources leading to a fall of civilization, or humans killing them self off. Either way I think most would agree that us finding a solution works out better for us. We are definitely a species that is able to work through something like this.



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