The growing concerns of population are not limited to environmental degradation such as losses of biodiversity, soil depletion, and toxic rivers and oceans. It goes further through the risks it imposes of “epidemics, resource war, terrorism, and deaths from violent climatic events” (Ehrlich and Ehrlich 2012). Malthus argued that, people growth respond to wage or income that correlate negatively with the size of population (Lee 2011). On the other hand, climate change correlates positively with increase population. The pollutants such as greenhouse gas emissions from industry, transportation, agricultural activities, deforestation, and desertification are all associated with massive population growth. Thus, overpopulation is major contributor to environmental deterioration (Ehrlich and Ehrlich 2012). Further implication to overpopulation harm humans themselves, each individual added to population will consume food, water, and energy. The pressure from population will require more energy to secure their needs (Ehrlich and Ehrlich 2012). This will result in inequity between people through the scarcity of resources that lead to hunger and poverty. The degradation in human life causes diseases transferring from animals and cause lethal epidemics (Ehrlich and Ehrlich 2012). It’s agreed that, economy, social, and political factors are overlap in term of population growth. To supply the demand of growing population, the agricultural production must be increased “70-100 % by 2050”. This increase will be associated with increasing energy consumption and demands on the free market based economy. Agriculture requires more fossil fuel and lands for farming. Some rich countries such as “China, Saudi Arabia, and South Africa” purchase lands in ...
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...ping countries is a serious problem in overpopulated cities. The scarcity in resources is not limited to energy shortage but could represent in water scarcity in congested cities. For example, the decline in water supply in the “Nile Valley” made the countries competing on the Nile water which put lots of pressure on Egypt that its population expands 3% every year (Cassils 2004, 185). Other implication is the increase in Co2 emissions by 2.5% per year which driven by annual per capita GDP and annual population growth (Mitchell 2012). The technology used at the beginning of this century caused higher Co2 emissions in developed and developing countries which raise the consumption rate (Mitchell 2012). The human’s activities, technology, and industry in crowded cities change the climate and impose environmental disasters such as cyclones and floods (Mitchell 2012).
The Neo-Malthusian dilemma is the worry that our food stocks will not match the population growth leading to famine and disease. This is a growing concern since our population is quickly increasing, we are not bringing new land under cultivation, and we are damaging the environment that is producing our food and sustaining our people. Between 1999 and 2011, the world population increased by one billion, Middleton(2013) noted that it took until 1804 for the world to reach its first billion. The population growth we have exhibited is exponential, and it is only scheduled to peak some time between 2050 and 21003 . Many countries are still expected to go through major population growth. We constantly hear about China and India but Africa is expected to overtake them both by 2050 and make up 23% of the global population4.These large populaces depend on land to grow their food. Urbanization is transforming some farmland into urban areas, like in China for example5 .This land is no longer being used for farming. Until the 1950s, we were able to develop new land for cultivation and thus produce more food, but since then we’ve had no new land to
As small mobile groups of hunter-gatherers adopted a sedentary lifestyle, they mastered both agriculture and animal domestication. These small settled groups quickly evolved into cities and towns that encompassed the entire globe. Today the estimated population of the world is over 6.2 million people.1 As the population has grown, it has had several deleterious effects on the Earth. These include climate changes, the spread of diseases, declining food production, deforestation, and environment pollution (particularly air pollution). As people have become more conscious of these harmful effects, they have begun to devise strategies to combat this problem. Among the suggested responses include a switch to renewable energy, a call for zero population growth, and adopting sustainable agricultural practices.
Population density is the total number of people per unit of area, usually per square mile. As population density rises to high levels, as it has in today’s cities, the familiar problems of urban living appear, including high rates of crime and homelessness.Interacting with these problems are crises of the physical environment, such as air and water pollution and the growing output of hazardous wastes with the resultant global warming. ” Ten Years from now,India will have an extra 250 million people. In five of the worlds “hot spots” of water d...
and is existing surely because of humans themselves- overpopulation. “Overpopulation is the problem” and causes other externalities such as pollution, deforestation, and a greater handful of biodiversity losses. In addition, overpopulation causes economic and political factors such as more consumption per person and the reduction of resources that can be provided per person. This contributes to the strain on ecological systems and the economic and population growth. With overpopulation, many resources become finite and an umpteen amount of ecosystems are being destroyed. Overpopulation relates to the impact of humans on pollution. Obviously with more human life, there is more necessity for jobs such as factories that give off fumes, automobiles, and the use for burning fossil fuels. In greater extent, this leads to an environmental factor in that it accumulates chemicals in food chains such as mercury, arsenic, and copper. It can lead to political problems as well, when trying to interact with other countries and stop the problem of global pollution and eventually endin...
With Australia’s population rapidly nearing 23.5 million people, the issue of sustainability and the number of people Australia can allow to live comfortably without significant damage to the surrounding environment is extremely important. The misconception that Australia is underpopulated with plenty of room to accommodate the worlds rising population is widespread. With the majority of Australian land being arid and inhospitable, finding available land and resources to accommodate a rising population is placing a huge amount of pressure on the Australian environment. Australia’s population growth consists of two main components; births minus deaths and net migration. While Australia’s birth rate sits at 1.9, lower than the 2.1 needed to replace our aging population, our expanding population comes from overseas migration accounting for around 60 per cent of our growth (Department of Immigration and Border Protection). Currently the total migration rate is set at 210,000 people per year making Australia’s population quickly on the rise. This poses an important discussion regarding the impacts of such a rise and if there is a specific number that constitutes a sustainable Australia regarding population. The issues that may come to pass as a result of overpopulation are great and varied. These include and are not limited to; resource shortages, social conflict, overcrowding, pollution, habitat and biodiversity loss and a lowering in national health standards. The Australian Conservation Foundation (ACF) has put forward arguments opposing a rising population due to the predicted environmental damage we would face as an outcome. A few of the main problems associated with an unconstrained population are outlined in this essay.
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 of 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, human’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.
A general situation of urbanization trend in developing countries and developed countries is increasing. In 18th Century only 3% of the world total population lived in urban areas but as projected in 2000 this number will increase at above 50% (UN as cited in Elliot, 1999, p. 144). According to UN (as cited in Elliot, 1999, p.144), it is figured that the total urban population in developing countries has increased from approximately 400 millions people in 1950 to approximately 2000 millions people in 2000. At the same time, total urban population in developed countries is double...
The human population growth rate is an alarming issue that brings with it irreversible consequences, that will likely effect the way of life for future generations to come. With the serious incline in population statistics comes catastrophic processes such as global warming and deforestation that have major ‘knock on’ ramifications. It’s issues such as these that need to be considered when we think about the growth of the human population, and we must take into account why these issues are occurring. We must also explore the options available to us that may assist in limiting the problems, or eliminating them all together, to provide a better place, not only for us in existence now, but also those who will walk this earth in the future decades and centuries to come.
According to the World Bank Development Report 2013 there has been an increase in global surface temperature of 0.4 to 0.9 Celsius (C) in the past 100 years. This change in temperature largely caused, according to the IPCC, by the release of GHGs through human activities. There are several effects associated to the change in global temperature, mainly affecting ecosystems and populations worldwide. Among these effects or consequences are sea-level rise, drought, floods, loss of mangroves, and the intensification of storms and climate processes such as El Nino and La Nina. Recent studies have focused on sea-level rise and the global effects. Over the past 100 years, sea levels have increased by 10 to 20 centimeters (World Bank, 2003). Moreover, arctic sea-ice has continued to shrink up to 10 percent or more of its total mass and by 40 percent of its thickness. Glaciers and small ice caps are rapidly melting, causing several changes in the flows of rivers and ecosystems, as well as adding to the increase of sea levels. Sea level rise will most likely severely affect unprepared, developing countries and their populations. Concomitantly, developed industrial countries with higher levels of GDP are likely to cope more efficiently with the effects of sea level rise. This paper will focus on the prognosticated socio-economic costs of s...
Human population growth is becoming a huge issue in our world today. The population is increasing rapidly. The reason that it is becoming a concern is because it has affected the economic, environmental, and social aspects of our world. In the film Frontline: Heat, we can see how there might not be a future for our planet unless we are able to reduce the emissions and make our world a safe place. Not only for the present but also for future generations so that they are able to live long and healthy lives.
...ffects on human health. These have high negative effects on low income areas, as a result of pollution, visual, oral and air, as well as high levels of overcrowding. The World Health Organisation predicts that in the next 30years most of the world’s population growth will occur in cities and towns of poor countries. This rapid, unplanned and unsustainable pattern of urbanisation, is creating cities into focal points for environmental and health hazards (World Medical Association, 2010).
Overpopulation is a growing problem all over the world. This is a very important environmental issue and needs to be dealt with. This environmental problem is affecting many countries around the world, but mostly the poor and impoverished countries that don’t have the resources to help deal with these issues. It also affects the environment like plants, animal life and air quality. When the population of people expands we need more natural resources from the environment, so we consume more than we can produce.
Our world is too small for our ever rapidly growing population. One day resources will run dry and vanish, which will bring death and loss to all nations on this planet. Many researchers and scientists have confirmed that the population will reach 10 billion by the end of the century and will continue to stream upward. There are many different ways in trying to decrease population to contain global warming and assist our environmental changes. The only way to steadily succeeding, families must be the regulators of their fertility and future. Environmentalism can head in a negative direction, which may result in population control and even anti-immigrant policies. Can the developing effort of ‘population integrity’ protect our world while recognizing birth moralities?
Nowadays, more than half of the world population lives in cities. Urban populations consume 75% of the world 's natural resources and generate 75% of waste. Cities have become consumers of enormous amounts of natural resources and generating massive environmental
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...