The complexity of the interrelationships between population growth and environmental concerns is often obscured when the global picture is presented. With more people coming, how is this going to affect. Although the global rate of human population growth peaked around 1963, the number of people living on earth and sharing finite resources like water and food has grown by more than twothirds since then, topping out at over seven and a half billion today, and human population is expected to exceed nine billion by 2050. Humans have sought to understand the relationship between population dynamics and the environment since the earliest times 1, 2, but it was thomas malthus essay on the principle of population in 1798 that is credited with launching the study of population and resources as a scientific topic of inquiry. Rising populations put increasing demands on natural resources such as land, water, and energy supplies. Introduction to population national geographic society. What happens when more people live in the same amount of space. The essay can include information gath ered from many sources including classroom teachers, lectures by guest speakers, libraries, par.
Introduce the term population and discuss crowding. The editorinchief is dr elizabeth fussell, 1 associate professor of population studies and environment and society at brown university. Definitionenvironment the word environment is derived from the french word environ which means surrounding. 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. Human population and environment chapter 2 slideshare. The first step to calculate this rate is to add up the number of people arriving in the country through births and immigration and, separately, add the number of people. The human population of the planet is estimated to now have passed 6 billion people. Human population and the environment population trends.
Our new crystalgraphics chart and diagram slides for powerpoint is a collection of over impressively designed datadriven chart and editable diagram s guaranteed to impress any audience. Population genetics is concerned with the origin, amount, frequency, distribution in space and time, and phenotypic significance of that genetic variation, and with the microevolutionary forces that influence the fate of genetic. Human population growth and the environment explosive population growth limited natural resources increasing environmental stress sustainable use. The fact is, humanity today represents something unprecedented in the history of the world. There are many factors, which put the effects on the population due to which our population increases. Ideal for every professional it doesnt matter if you belong to human resources or project management. Human population impacts environment science in many ways. In the middle of the school year, many more students join their classroom. The earliest and most enduring form of population geography emerged from the 1950s onwards, as part of spatial science. Human population growth and the environmentexplosive population growthlimited natural resourcesincreasing environmental stresssustainable use. Sep 23, 2008 human impact on the environment slideshare utilise les cookies pour ameliorer les fonctionnalites et les performances, et egalement pour vous montrer des publicites pertinentes. A free powerpoint ppt presentation displayed as a flash slide show on id.
Approximately three quarters of the worlds population live within 60km of marine coastal areas. If playback doesnt begin shortly, try restarting your device. The essay can include information gath ered from many sources including classroom teachers, lectures by guest speakers, libraries, par ents, from the web site, or this syllabus. In many ways, this reflected good news for humanity.
Environment is a complex of many variables, which surrounds man as well. Pdf the nature and scope of population geography in. The editorinchief is dr elizabeth fussell, associate professor of population studies and environment and society at brown university. Population genetics is concerned with the origin, amount, frequency, distribution in space and time, and phenotypic significance of that genetic variation, and with the microevolutionary forces that influence the fate of genetic variation. It took over 200,000 years of human history for the worlds population to reach 1 billion, and only 200 years more to reach 7 billion. Former editorsinchief of the journal include prominent racialists. The global human population is growing at an unbelievable rate and this could have serious impacts on our environment. Feb 29, 2016 human population and environment chapter 2 1. Human population and demographics powerpoint lecture. Ppt human population and the environment powerpoint. Population explosion, population control, project report. Not enough research was being done on key issues such as famine, gender, and 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 in the recent past. The human person and the environment environmentalism. 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. This video outlines the implications of our growing population on the environment as well as implications for human kind. Thus starting from 1, population in successive periods of 25 years will be 1, 2, 4, 8, 16, 32, 64, 128, 256 after 200 years. Oct 25, 2015 page 1 1 human population and the environment how to use this syllabus students. In the concluding section, we relate populationenvironment research to the emerging understanding of complex humanenvironment systems. Pollution is of different kinds depending on the nature of pollutants and. Page 1 1 human population and the environment how to use this syllabus students. Population pyramids are used to illustrate the differences in age and gender across the populations of different countries. What is overpopulation and problems of overpopulation. In demographics, the world population is the total number of humans currently living, and was estimated to have reached 7. Numerous territories are trying to deal with the growth of human society and the allocation of required yet limited resources.
The modern environment movement began on april 22, 1970 largely due to the release of the book the silent spring that is written by an environmentalist name rachel. The increase in the human population continues to be a heated argument for many countries. The density of human population the density of human population is the number of the population occupying a certain area over a unit of time. Ppt human population growth and the environment powerpoint.
Human population growth and environmental impacts slideshare. This increase in population size leads to an increase in pollution and higher demand for the worlds resources worlds human population. Human population and the environment 215 3 to 4 billion, in 14 years. Population genetics an overview sciencedirect topics.
Templeton, in human population genetics and genomics, 2019. Human health and environment the huge population pressurizes and degrades the environment physically, chemically and biologically. Environmental pollution can be defined as a change that is not wished or desired in the chemical, physical, or biological characteristics of any component of the environment air, water, and soil which can cause harmful effects on various or many forms of life. Over population is not a function of size or density of the population.
There are more than two sides to the debate on whether population numbers equate to overpopulation or not. Notes human population and the environment notes edurev. What would you include in a brief summary on the history of the modern environmental movement, from the 1960s to the present. Altering their environment technological advances the cultural revolution the agricultural revolution the industrialmedical revolution doubled three times in the last three centuries about 6. Pdf on jan 1, 2017, chukwuedozie ajaero and others published the nature and scope of population geography in emenike, g. Various diseases hiv aids, tb, malaria, water borne diseases. Take your hr comms to the next level with prezi video. The ipat equation, first devised in the 1970s, is a way of determining environmental degradation based on a multiple of factors.
Developing countries and the dt according to the population profiles developing countries will continuously. Interaction between human population and environment. Mar 02, 2018 population pollution the maximum carrying capacity of environment is the capacity to support human beings with the availability of food, water, shelter, as well as protecting human beings against the extremities in environment. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising.
If so, share your ppt presentation slides online with. Among the challenges, discuss how environmental hazards affect human population and if this impacted the decision with urban development. Population pollution the maximum carrying capacity of environment is the capacity to support human beings with the availability of food, water, shelter, as well as protecting human beings against the extremities in environment. Humans and their environment are expected to coexist the environment gives a person hisher basic necessities in life such as. Jun, 2002 the human population of the planet is estimated to now have passed 6 billion people. This lecture introduces students to some of the ways that our population, demographics, and growth rate is measured. Environmental science and human population term paper. As population grows, consumption of valuable resources and pollution increases, which threatens to overwhelm the earths ability to provide for the human race and other life forms. To avoid this, cancel and sign in to youtube on your computer. Tell students that population is the whole number of people living in an area, such as a town or city. Human population and environment chapter 2 linkedin slideshare. Global population growth creates environmental problems.
The human population continues to grow, but the size of earth and the resources available for our use are limited. The geographical study of population, including its spatial distribution, dynamics, and movement. Population and environment population all the inhabitants of a particular town, area or country human population is the total number of. The densities of human populations in various areas are not the same and is always changing. Videos you watch may be added to the tvs watch history and influence tv recommendations. The chapter describes theories on the effect of human population on the environment e. Human population and the environment linkedin slideshare. As a subdiscipline, it has taken at least three distinct but related forms, the most recent of which appears increasingly integrated with human geography in general.
Human population growth and the environment is the property of its rightful owner. Efforts to slow down population growth, to reduce poverty, to achieve economic progress, to improve environmental protection, and to reduce unsustainable consumption and production. Human population and the environment free download as powerpoint presentation. Causes, variations and effects of population growth and explosion. Because of human activities, the environment is facing destruction which, in turn, puts the whole of humankind to its greatest challenge to date survival. What is more concern, the number of population rise will increase to such an extent in future that it will cause overall scarcity for resources. These are the factors such as birth rate, death rate, immigration, literacy, age structure, sex ratio and environmental factor. Europe for example, has higher population densities than asia. Population genetics is the science of genetic variation within populations of organisms. The human person and the environment free download as powerpoint presentation. Chart and diagram slides for powerpoint beautifully designed chart and diagram s for powerpoint with visually stunning graphics and animation effects. The changes in human environment increases the incidence of many diseases. Human populationandtheenvironment linkedin slideshare. However, during the same period, changes in the global.
Dec 28, 2015 this video outlines the implications of our growing population on the environment as well as implications for human kind. It took over 200,000 years of human history for the worlds population to reach 1 billion, and only 200 years more to reach 7 billion the world population has experienced continuous growth following the great famine. Human population not only uses the environment as habitat but through its multifarious activities also changes certain natural processes in the ecosystem, thus becomes a cause of the ecological crises. The state of health of people depends on clean environment. Efforts to slow down population growth, to reduce poverty, to achieve economic progress, to improve environmental protection, and to reduce unsustainable consumption and production patterns are mutually reinforcing. Environmental science and human population worksheet 1.
Many population geographers from the 1980s onwards expressed anxiety that they were marginalized from mainstream human geography and its embrace of social theories from marxism to feminism, and postmodernism findlay and graham 1991. It can be expressed as the number of birth per thousand human in the population per year. The population growth rate is a measure of population change over a given time. Our surrounding includes biotic factors like human beings, plants, animals, microbes, etc and abiotic factors such as light, air, water, soil, etc. Drafted by our professionals, this population icons powerpoint template will help you represent various groups and human ideas in a creative manner. Global trends in population and consumption at the global level, research has found that the two major drivers of humanitys ecological footprint are population and consumption 11, so we provide a brief. Population and environment population all the inhabitants of a particular town, area or country human population is the total number of living human s on earth environment the sum total of all surroundings of a living organism, including natural forces and other living things, which provide conditions for development and growth as.
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