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Effect of overpopulation on the environment
Effect of overpopulation on the environment
Thomas malthus an essay on population
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A little over two hundred years ago a man by the name of Thomas Malthus wrote a document entitled “An Essay on the Principle of Population” which essentially stated that there is an imbalance between our ability to produce food and our ability to produce children. He said human beings are far better at making babies than they are at finding food for survival. His entire essay is based on these two assumptions. “ First, That food is necessary to the existence of man. And second, that the passion between the sexes is necessary and will remain nearly in its present state.” When taking into account what is said in this essay, it is obvious that his original analysis of population has been proven right. Today, in the twenty-first century, people still rely on food to live and stay healthy, and many people consume more food than ever before, especially here in the United States. In addition, the natural attractions between men and women exist more so today than they did in Malthus’s time. When discussing the issue of population, it is important to note that it is one of the most controversial issues facing the world today.
Overpopulation is a major global crisis because of a number of reasons. Most of the problems we have today, such as ocean depletion, water shortages, water pollution, food shortages, global warming, and air pollution are the effects of overpopulation. The more people there are, the more resources consumed and the more waste created. A child born today in the United States for instance will produce fifty-two tons of garbage and consume 11 million gallons of water by the age of seventy-five. Freshwater, drinkable water is the most critical natural resource to humans. As time goes by, the world’s population expands more rapidly, but there is no more freshwater on the Earth than there was two thousand years ago. Overpopulation has also increased industrial development, which contributes to massive urbanization and rising of living standards. The rising in living standards causes people to consume more, which creates more waste and raises life expectancy, which causes more people to live longer and more people to live in the same place, earth.
The United Nations projects that the global population, currently at 6 billion, will peak at about 10 billion in the next century and then stabilize or even decline; can our plan...
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...e brought declining death rates. Diseases that would wipe out hundreds of thousands of people are now non-existent. We now give more care to the elderly causing longer and fuller life spans. While in the early nineteenth century farming was all done by hand and pull plows, mechanized farmers are now getting more food out of an acre of land than Malthus ever could have imagined. These changes and more have really altered the way population growth occurs naturally.
When taking into account Malthus principle of population it is evident that his fundamental theory of population has been proven right, yet human’s natural instincts still come out in all of us. We were born to procreate and survive. We still have thus far not run out of resources, but since the earth resources are finite, one day malthus’s predictions will come true.
Bleier, Ronald. The International society of malthus. 10 Oct. 2004
Internet History Sourcebook Project. Ed. Paul Halsall. 22 sept. 1997.
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World Population Awareness. 10 Oct. 2004.
Thomas Robert Malthus (1776-1834), in his “Essay on the Principle of Population”, stated that wars and disease would have to kill off the population because it grows faster than the food supply unless people could limit their number of children. The Malthusian Drill in the Brave New World was what women had to go through to prevent births (e.g. contraceptives and medications).
Now, the ideas of Thomas Malthus generally do not apply to the world today. It is important to understand that Malthus wanted to create a theory that explained the success of people in a population. Like Darwin’s theory of evolution (which was helped formed by Malthus doctrine) it is survival of the fittest. I do bel...
Malthus’ An Essay on the Principle of Population, he states “I think I may fairly make two postulata. First, that food is necessary to the existence of man. Secondly, that the passion between the sexes is necessary and will remain nearly in its present state.” He came up with the Population Principle in which he argued that population, when unregulated, increases geometrically, whereas subsistence increases arithmetically. This then becomes an issue when the population outweigh the amount of food available. Malthus then said that once this level was surpassed, that famine would be the main source of the limit to population growth and that premature death was the most natural way to control the
This proves pieces of Malthus’s model can still be relevant when analyzing economic growth trends. For example, Malthus focused on factors of wealth and development in terms of fertility, which still apply largely today when investigating population growth. While interpretations of these factors have transformed over time as technology and the world develops, Malthus was able to provide basic factors to help begin the investigation of population growth and its possible effects on food security in the world. As the world population continues to increase, current generations are looking toward other “modern” factors that could be contributing or will contribute towards food insecurity. Since Malthus’s theory only applied to a portion of history and two of the five phases of the Demographic Transition Model, current theories people now believe could also change as the world transforms.
In today’s society that we live in, there are countless of environmental problems that we face, such as global warming, fishing, pollution, and many other topics of that matter. These issues have affected our environment for the worse and have caused problems physically and economically. Yet, out of all the issues that effects our world on a daily basis, it is shown that overpopulation is one if not, is our biggest issue in our environment that is only getting worse due time, especially due to the rapid growth of the human population and the limited resources that are left on earth that we absolutely need to tend to our growing population. Even Dr. Charles A. Hall, who is a systems ecologist, states that, “Overpopulation is the only problem, If we had 100 million people on Earth or better yet 10 million, no others would be a problem.” Which helps prove that overpopulation is a major issue that we must act upon if we want to save our world.
It is a known fact that the world population is increasing without bound; however, there is a debate if this increase is a good thing or if it will prove catastrophic. The article “The Tragedy of the Commons” by Garrett Hardin discusses how the ever-increasing world population will exhaust the world of its natural resources, and eliminate human’s capability for survival. On the other side of the argument is Julian L. Simon who wrote “More People, Greater Wealth, More Resources, Healthier Environment.” This article proposes the theory that with an increase in population, humans’s quality of life is amplified. One particular issue that they both mention and have drastically different views on is the future of agriculture and human’s ability to sustain it.
Today, as we near the 21st century, overpopulation, as some may call it, still seems to be a concern. There have been reports that, if the current rate of population growth were maintained, the world will be home to some 694 trillion people by the year 2150, almost 125 times that of today's population (Bender, p. 65). On October 12th, 1999, the world was presented with the associated press headline that the world population counter at the UN topped 6 billion. It is evident that our society is still concerned about the increasing population. The intent of this paper is to prove that there is not, and will never be, according to long-term trends, a situation in which it is impossible to provide everyone on earth a living standard at the subsistence level.
Overpopulation drastically affects the standard of living of the people. Not only does it affect the standard of living, it affects the environment as well. The environment has a certain carrying capacity of humans that it can support. When this carrying capacity is exceeded, the environment starts to deteriorate. With a large amount of people, land that can be used as valuable farmland is wasted. Also, with a great amount of humans, there is more waste produced. This waste contaminates local water and spreads disease, eventually leading to the destruction of wildlife. Animals as well as humans have a limited use of water because of the microorganisms and fecal matter in the water. Many ideas have been debated upon to help improve these conditions for both animals and peopl...
Subsistence increases only in an arithmetical ratio. A slight acquaintance with numbers will show the immensity of the first power in comparison with the second” and this leads to Malthus’s principle of population (Booth, 1823). Because of this unequal power between production and reproduction, “population must always be kept down to the level of the means of subsistence.” While Malthus was not the first person to come to this conclusion, he was the first to inquire into the means by which this leveling of population is accomplished (Brown, 1999). Being the first economic statistician, Malthus constructed this estimate on the population growth of the United States, where a real census emerged before it happened in England and revealed that the U.S. population had doubled in twenty-five years.
Malthus was concerned and was observing the growing population with increasing. To explain dearth and scarcity, he wrote a famous essay “An Essay on the Principle of Population”. In good Explanation, he was trying to explore new “natural laws” that could explain the endurance of scarcity in the world. Malthus said that population increases way faster than the supply of food available. Over time agricultural production and will crash due to food shortages and increasing in population growth.
The future of humanity does not lie in America, nor does it lie in the other, well-developed world powers. The future of humanity lies in the hands and hearts of the less developed countries. The global population growth rate is around 1.8%, with the bulk of growth coming from Latin America, South Asia, and Sub-Saharan Africa. According to statistics released by the United Nations, within the next seven years, India is expected to surpass China as the most populous nation on the globe. Within the next fifteen years, the world’s population is expected to reach 8.5 billion, the majority of which will be concentrated in less developed countries.
What if one day there was too many people living on planet Earth, using up too much of it’s resources? Overpopulation though is defined by the Merriam-Webster dictionary as “the condition of having a population so dense as to cause environmental deterioration, an impaired quality of life, or a population crash.” Ever since the 18th century, the theory of overpopulation has been a problem on many minds. There is a huge gap for the number of individuals compared to relevant resources here on earth, such as the water and essential nutrients needed to survive. This issue results from an increase in births, a decline in mortality rates, an increase in immigration, or an unsustainable biome and depletion of resources. All these idea about mankind
One of the problems facing our world is population. It began about ten thousand years ago when the humans settled and began farming. The farming provides more food for the people thus making the population grow. Now we are about 6 billion in population and in a few years we will be around 10 to 11 billion. Therefore, our population will almost double in size. This means that we will need more food to support us. A study in 1986 by Peter Vitonesk, a Stanford biologist, showed that the humans are already consuming about 38.8 of what is possible for us to eat. Thus, if the population keeps increasing, the percentage will increase also, making us closer and closer to the biophysical limits. By studying the earth's capacity, Dr. Cornell, another biologist, believes that we are already crowded for this would. He believes that our world can only support two million people. Not only this, but population can cause complicated problems to the countries with very high population. These countries will need more schools to educate its people, they will need more hospitals and public health to take care of their people, and they will need more water and more soil for farming to feed all the people. In order to solve the population growth problem, the people should be educated. Once the people are educated they will be aware of the problems they ca...
Overpopulation is going to continue to be a growing problem all over the world unless we come together and help each other out. This is a difficult task but it can be dealt with. This is the most important environmental issue because it leads to many others. It leads to loss of species, shortage of land, lack of resources, deforestation, health issues, pollution, and famine. Overpopulation is a growing problem we can stop. The only way this is going to be stopped is by humans taking action and trying to help each other.
For more than fifty years and counting, Paul R. Ehrlich has been alerting people to the importance of overpopulation and the threats that it may pose. In his 1968 best seller, The Population Bomb, biologist Paul Ehrlich more specifically declared, "In the 1970s and 1980s, hundreds of millions of people will starve to death in spite of any crash programs embarked upon now." Famines on that scale never arrived. The most important question in this essay is what are the threats that overpopulation will pose? Poverty is one main problem, if the number of people exceeds the capacity of the environment or habitat then there will be a huge number of demands and not all the people will have their needs fulfilled, and countries will be unable