Ppt human population growth and the environment powerpoint. The state of health of people depends on clean environment. Environmental pollution, types, causes, impact and. The population of the world is increasing day by day which indirectly effects the environment. Population and environment, volume 35, issue 3 springer. The ipat equation, first devised in the 1970s, is a way of determining environmental degradation based on a multiple of factors. According to a local environmentalists recent report there are 9. For all of subsaharan africa, net migration had a much smaller impact, reducing the population growth rate from its natural level of 2. Why population matters to climate change the state of climate change historically driven by a buildup of greenhouse gases generated mostly in the industrialized world, the consequences of climate change including floods, droughts, extreme weather, and declining agricultural productionwill affect everyone. Various diseases hiv aids, tb, malaria, water borne diseases. Impact of population pressure on environment that is food and natural resource. Population, environment and development have very close relationship with each other. The editorinchief is dr elizabeth fussell, associate professor of population studies and environment and society at brown university.
This debate, however, presumes a onestep solution to the complex problems created by population pressures on the environment. Agenda 21 addresses the pressing problems of today and also aims at preparing the world for the challenges of the next century. The rapid increase of human population is putting an incredible strain on our environment. The variety and complexity of population environment associations varies with spatial aggregation. Population dynamics, environment, and sustainable development in kenyan counties july 28, 2014 the combined effects of climate change and rapid population growth are increasing food insecurity, environmental degradation, and poverty levels in the 47 newlydefined counties in kenya. The environment impact adjusted population or eiap project aims to generated the environment impact adjusted population figures for all countries on an annual basis. The relationship between demography and environmental impact 3.
The impact of population, health, and environment projects. Overpopulation and the impact on the environment by doris baus. It is not the census figures alone that need to be stressed, but an appreciation of the impact on natural resources of the rapid escalation in the rate of increase of human population in the recent past. The second direction is the effect of environmental factors on the population through the negative impact of pollution on health and labour. While the interconnected problems of population growth and environmental issues seem overwhelming, it is important to remember that humans can make changes that positively impact. Interaction between population and environmental degradation core.
Population and environment the sole social science journal focused on interdisciplinary research on social demographic aspects of environmental issues. Download environment impact adjusted population for free. The present study examines the impact of demographic variables on environment by. More people should have a greater impact on the environment, if all other factors such as per capita consumption remain unchanged. Published by tso the stationery of ce and available from. In this research paper, the main focus is on the issue of overpopulation and its impact on the environment. One of the culprits of environmental damage in ethiopia is land fragmentation. Levels of organization the organization of the biosphere from the most specific to the broadest level. Apr 09, 2018 theoretical accounts on the populationenvironment link. Overpopulation and the impact on the environment by doris baus advisor.
The interactions between human population dynamics and the environment have often been viewed mechanistically. The changes in human environment increases the incidence of many diseases. Introduction there is an increasing recognition of the linkages between rapid population increase and the quality of the environment. Humans impact the physical environment in many ways. The growing size of the global population is not an issue that appeared within the past. Chapter 1 effects of population growth and urbanization in. To understand the impacts of human population growth on biodiversity, a study into it had been carried out in canada. It explores the ways in which demographers and other social scientists have sought to understand the relationships among a full range of population. What are environmental problems due to population growth. In particular, population density plays the most important role in shaping the socioeconomic environment. Population is the key factor which affects the environment.
Eiap represents load on earth more accurately than population. The formula for exponential population growth is nn 0 e rt where n 0 is the starting population, e is a logarithmic constant 2. The effects of overpopulation on environment essay example. An increased population intensifies impact on the environment as more individuals take up space, use resources, and generate waste. Human health and environment the huge population pressurizes and degrades the environment physically, chemically and biologically. Mar 03, 2014 download pdf 683kb view article original paper impact of population, age structure, and urbanization on carbon emissionsenergy consumption. The journal publishes cuttingedge research that contributes new insights on the complex, reciprocal links between human populations and the natural environment in all regions and countries of. Analysis of the environmental impacts of illegal trade in. Pdf the rapid increase of human population is putting an incredible strain on our environment. Overpopulation and the impact on the environment by.
Ethical and conceptual issues there are two types of debates over population growth and the environment. Most downloaded environmental pollution articles the most downloaded articles from environmental pollution in the last 90 days. These include the intermediate or mediating variable theory or the holistic approach in which population s impact on the environment is mediated by social organization, technology, culture, consumption, and values 26, 27. What is the impact of population on environment and. Both population size and consumption influence environmental change and are among the many factors that need to be incorporated into realistic policy debate and prescriptions. One of the factors responsible for environment degradation is population growth or population density. What is the impact of population on environment and economic. Population density gives over all view of the effect of population on natural resource with in the country. As requested by the economic and social council, the population. As the population gets older it gets more affluent too, thereby demanding higher living standards to satisfy their wants. As might be imagined population growth has positive and negative effects on.
The interaction between population and environment has a long history. Conference on environment and development, and on the acceptance of the need to take a balanced and integrated approach to environment and development questions. These include the intermediate or mediating variable theory or the holistic approach in which populations impact on the environment is mediated by social organization, technology, culture, consumption, and values 26, 27. The widely assumed notion that environmental degradation grows in proportion to population. Changes like these have triggered climate change, soil erosion, poor air quality, and undrinkable water. The effects of population on environment and economy are as given below. Here we briefly outline the conclusions of this school of thought as expressed in an overview of the population. At its simplest, it describes how human impact on the environment i is a result of a multiplicative contribution of population p, affluence a and technology t. Overpopulation and the impact on the environment cuny. While developed countries continue to pollute the environment and deplete its resources, developing. Population and the environment the impact of population growth on economic development is a complex issue. The complexity of the interrelationships between population growth and environmental concerns is often obscured when the global picture is presented.
In this unique situation, environmental degradation is a specific instance of utilization or generation externalities reflected by uniqueness amongst private and social. Help your students understand the impact humans have on the. Many things we do affect the air and the climate we live in. The relationship between population and the environment and its. Transfer of medical technology but not wealth from mdcs to ldcs has allowed for fastest population growth in poorest areas creating even larger gaps between resources and population. The most documented environmental impact directly attributed to itw is the decline in population size of iconic target species, for example tigers, now driven to the brink of extinction as a result of growing. Download presentation with narration presentation without narration powerpoint template presentation guide pdf. The total population of the earth is 6billion which is more than the carrying capacity of the earth. Sophia perdikaris in this research paper, the main focus is on the issue of overpopulation and its impact on the environment.
It is not the census figures alone that need to be stressed, but an appreciation of the impact on natural resources of the rapid escalation in the rate of increase of human population. Human population and the environment 215 3 to 4 billion, in 14 years. In the course of discussion the impacts of a rapidly growing population on the environment have been brought in the agenda. The effect of population growth on the environment.
Population, environment and development class 10 environment. Environmental pollution is tangled with the unsustainable anthropogenic activities, resulting in substantial public health problems. Similarly, population growth causes the growth of poverty, hunger, disease, illiteracy, etc. Over population and effects on environment environmental. Rapid population growth and environmental degradation in. We know that the population growth means that the human impact on the environment will be more and more. In the absence of relevant text and reference books that. For example, burning of fossil fuels such as coal and petrol. Assessment of linkages between population dynamics and. Population growth and its environmental and social impact know no national boundaries. Lakshmana institute for social and economic change isec, population research centre, nagarabhavi, bangalore, karnataka 560072, india received 7 july 20. The rapid growth of population has direct impact on the environment and economy. Global concerns the impact of human activity on the natural resources. Start the discussion today with the notion of sustainability.
Some also group ipat in this category because population is only one of the three variables contributing to. Population, natural resources, and environment 115 unplanned urbanization primarily as a result of ruraltourban migration, asia is the fastest urbanizing region in the world. As population grow, develop and modify their environment, their activities inevitably affect biodiversity. The impact of population growth on economic development is a complex issue. The impact of environmental damage on the economy of the country cannot be accurately forecast by the population. The relation between population and environmental degradation is often considered straightforward.
Rising populations put increasing demands on natural resources such as. Another effect of overpopulation on environment is air population. Population density is defined as the number of human being in per square miles. Its effects are felt on the natural environment also. Overall, eight of the twentytwo pacific countries are now predominantly urban. Human population as a dynamic factor in environmental degradation. Effects of population growth and urbanization in the pacific islands more than 35 percent of the people of the pacific islands live and work in towns, and the rate of urban population growth throughout most of the region is high figure 1.
Coupled with this growth has been a tremendous increase in waste byproducts. The use of natural resources increases due to population growth. Overpopulation has recognized as a global environmental problem since few decades, as it has caused a number of adverse effects on environment. As might be imagined population growth has positive and negative effects on development. Aug 31, 2018 the term overpopulation is used to describe a situation in which the world or area has a population so large that the people there are suffering as a result. These effects can be averted by creating a mass environmental awareness movement that will bring about a change in peoples way of life. The study of the relationships between living organisms and their environment. Biodiversity is earths primary life support system and is a precondition for human survival. Environmental degradation is compounded by lack of food security, soil losses, uneven distribution of the water supply. Effects of various factors of human populations on environment.
Human impacts on the environment national geographic society. The editorinchief is dr elizabeth fussell, associate professor of population studies and environment. In other words, the population exceeds the region or planets carrying capacitythe number of people, other living organisms, or crops that can be supported without environmental degradation. Human population growth and the environment human population an explosive growth human needs limited resources our natural environment under attack a free powerpoint ppt presentation displayed as a flash slide show on id. Human impact on the environment or anthropogenic impact on the environment includes changes to biophysical environments and ecosystems, biodiversity, and natural resources caused directly or indirectly by humans, including global warming, environmental degradation such as ocean acidification, mass extinction and biodiversity loss, ecological crisis, and ecological collapse. Dfid will work for inclusive growth through a number of programmes and continues to spend heavily on health and education, which have a major impact on poor peoples ability to take part in growth opportunities. Population, health, and environment working together. The biophysical aspect of the carrying capacity can be defined as the maximum population size that could be. Population and the environment the link between population growth and environmental impact seems obvious at first glance. According to united nations estimates, the urban population in asia will nearly double in the next 30 years. In 2016, population growth in somalia was estimated to be 2. Impact of population growth on the environment environmental. Human population impacts environment science in many ways.
The study of the relationships between living organisms. Population growth and the resultant human activities generate pressures to the natural and manmade environments. The growing size of the global population is not an issue that appeared within the past couple of decades, but its origins come from the prehistoric time and extend to the very present day. A large amount of work has already been carried out by many countries on assessing impacts and vulnerabilities to climate change, as well as considering possible adaptation options. In jordan, thailand and uganda, helis initial country partners, decisionmakers from health, environment and other government sectors are working together to assess water, agricultural and livestock management policies from an integrated health and environmental perspective. These negative impacts can affect human behavior and can prompt mass migrations or battles over clean water. If you plot this equation, you see a curve arching upward over time as the population increases exponentially, assuming no change in the rate. What are the main economic problems in the fast growing populated sate.
The term overpopulation is used to describe a situation in which the world or area has a population so large that the people there are suffering as a result. Environmental degradation, to a large scale, is the result of market failure, namely the nonexistent or poorly functioning markets for environmental goods and services. The scholarly literature on this issue labels this view, which stresses the mixed and ambiguous impacts of population growth on economic change, revisionism. Population, development, and environment in india c. Most downloaded environmental pollution articles elsevier.