As in this present scenario also excessive growth and increment in population will eventually going to led bad consequences. Start the discussion today with the notion of sustainability. Ppt population explosion powerpoint presentation free. The human population explosion and the future of life. The powerpoint population explosion contains all the information. Following are the main effects of population explosion. India, is the second most populous country in the world, while china is on the top. Npg advocates a smaller and truly sustainable united states population.
The world population is growing at an alarming rate. This lesson looks at the effect of the human population growth on land. According to a research, the last two centuries witnessed population explosion with the number increasing from 1 billion in the year 1800 to 7. Sudden, large increases in students crowd school facilities and strain budgets. The study examines the dangers of human population explosion. Continuing to try to build our way out of the prison population explosion compounds the budget crisisin the long run by. Impact of population growth complacency concerning this component of mans predicament is unjustified and counterproductive. The effects of population growth are varied and vast. Effects and causes of overpopulation in nigeria includes abstract and chapter one, complete project material available effects and causes of overpopulation in nigeria abstract this research work was designed to find out the causes and effect of overpopulation in nigerian. The human population explosion and the future of life the rewilding institute. This adversely affects the growth rate of the economy. In more scientific terms, there is overshoot when the ecological footprint of a human population in a geographical area exceeds that places carrying capacity, damaging the environment faster than it can be repaired.
Identify and analyze other exogenous factors perpetuating mitigating the effects of population growth. This population explosion worksheet is suitable for 7th 8th grade. One of the largest environmental effects of human population growth is the problem of global warming. The effects of population explosion in india are as follows. Between 1959 and 2000, the worlds population increased from 2. Positive and negative effects of population growth essay. Holdren the interlocking crises in popula tion, resources, and environment have been the focus of countless papers, dozens of prestigious symposia, and a. In underdeveloped countries, the composition of population is determined to increase capital formation. In the 1800 th the world population was 1 billion mittal and mittal, 20, and after 2 centuries later, the global population is 7. Thats a jump by a factor of 7 and at the current rate, it is estimated that the world population would double in a matter of 40 to 50 years. In the world population debate, the general concerns involve mainly three interconnected consequences of the population explosion. Population explosion, project report on population explosion, natural resources effect population density include water, soil, fuel and minerals. With projected future increases in the prison population, prisons remain on a pedestal.
Population s effects on education and the labor force will influence the opportunities available for the current generation of young people, the largest in history. I have also mentioned indicator species and have included a homework sheet based on lichens. The population explosion explores the effects of increasing plant population density on growth, development and reproduction. Things to be learned population growth, variations among nations population explosion family welfare program environment and human health human rights value education women and child welfare role of information technology in environment case studies mr. Overpopulation will place great demands on resources and land, leading to widespread environmental issues in addition to impacting global economies and standards of living. The different values, attitudes, and orientations toward education of the newcomers act as a catalyst for changes and can cause conflict within the. In this population explosion worksheet, learners take notes in a chart about the causes and effects of the increase in population in sri lanka and the maldives. Population explosion refers to the rapid and dramatic rise in world population that has occurred over the last few hundred years. Children involve economic costs in the form of time and money spent in.
Martha campbell, phd malcolm potts mb, bchir, phd kate bedford, mph university of california, berkeley bixby center for population health and sustainability prepared as part of an education project of the global health education consortium and collaborating partners. In carrying out this research, the researcher visited some areas in. Population growth and population policy is population a. Due to higher birth rate and low expectation of life in these countries, the percentage of dependents is very high. In the wild, overpopulation often causes growth in the populations of predators. Fertility, family planning, world population, population growth, demographic transition. What are the causes and effects of population growth. As might be imagined population growth has positive and negative effects on development. Rapid population growth in rural areas has confronted rural communities and particularly rural educational systems with a number of problems. The impact of population growth on economic growth and. The growth of gross domestic product can be constrained by high dependency ratios, which result when rapid population growth produces large proportions. Current deer population have grown over the past few years to the point that there is not enough food for them. As it stands, our resources are finite and unchecked global population would soon push us all to the edge. Overpopulation and the impact on the environment cuny.
These adverse effects of population growth on per capita income operate more severely if the percentage of children in the total population is high, as is actually the case in all udcs. But overpopulation is seldom discussed as a public health issue. The study found that the earth has a limited carrying capacity. It is well quoted that ati sarvatra varyet that means excess of anything is bad. Essay on population growth and its effects in english. The paper examines the link between population and per capita economic growth, and poverty, using the interesting case study of uganda. The demographic transitionthe combination of falling mortality rates followed by falling fertility ratesprovides. Pimentel introduction a h e a l t h y and prudently managed environment is a major benefit to humans and other species. Negative population growth npg is a national membership organization founded in 1972 to educate the american public and political leaders about the detrimental effects of overpopulation on our environment, resources and quality of life. Population explosion may lead to overpopulation, i. Just how many of us are there and how is our rising population affecting human health. Up to a point, population growth can be accommodated. Impact of a growing population on natural resources. This has the effect of controlling the prey population and ensuring its evolution in favor of genetic characteristics that render it less vulnerable to predation and the predator may coevolve, in response in the absence of predators, species are bound by the resources they can.
Positive and negative impact of population growth pros. No comments on positive and negative effects of population growth here, population growth refers to the increase in the number of individuals across the world. Wildlife and habitat destruction negative population growth. The consequences of such an event are severe and major. The world population explosion ku leuven personal webserver. Although some regions are more populated than others, overpopulation has repercussions for the environment and everyone who shares it. When nigeria declared its independence, it was a relatively small population country with only 45. The effect of the population explosion share my lesson. Essay on population growth and its effects in pdf short essay on population explosion in docx as more and more people have been migrating into the national capital over many years, delhi has become the most densitypopulated city in india with 11,320 persons per square kilometre. Contribution of india alone to this population was estimated to.
All life on earth obtains its food and other necessities from this environment. Census bureau projects that the global population will increase to 8 billion by 2025, and as the population increases, the demand for natural resources will increase as well. According to the data from the nigeria health watch, nigeria had a 300% increase rate in the last 56 years. March 11, 2008 issue twenty shortly after the end of world war two, visionary conservationists and scientists such as fairfield osborn began to warn that continued human population growth would cause all kinds of problems including heightened. This highly visual handson activity illustrates various environmental, ecological and evolutionary concepts from which students should be able to deduce various implications of increasing population growth. Human overpopulation or population overshoot is when there are too many people for the environment to sustain with food, drinkable water, breathable air, etc.
In such cases, a large population is seen packed into a smaller space. The issue is compounded by the difficulty in providing solutions for this problem and misunderstanding of the causes and effects of overpopulation. Population and the environment the impact of population growth on economic development is a complex issue. Population explosion, population control, project report. Finally, the paper outlines the debate about the consequences of the population explosion, involving poverty and food security, the impact on the natural environment, and migration flows.