Human population and the global environment pdf download

World population growth this article is focusing on the history of population growth up to the present. 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. What are environmental problems due to population growth. Human population and the environment free download as powerpoint presentation. Impact of population growth on the environment environmental. If so, share your ppt presentation slides online with. 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. The population density between 20n and 40n is particularly high, ranging between 80 and 110 persons per square kilometre. 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. The biophysical aspect of the carrying capacity can be defined as the maximum population size that could be. Overpopulation has recognized as a global environmental problem since few decades, as it has caused a number of adverse effects on environment.

Whether we have 500 million people or one trillion, we still have only. At present, the global population has both the largest proportion of young people under 24 and the largest percentage of elderly people in history. Jun 14, 2010 human population growth and the environmentexplosive population growthlimited natural resourcesincreasing environmental stresssustainable use. 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 population growth and the environment an overview human population growth and the environment human population an explosive growth human needs limited resources our natural environment under attack roles of technology and engineering an uncertain future humans are recent arrivals earth 5 billion years multicell biota 600 million years. Different factors which plays a vital role are been discussed in detail. The earth system now includes human society, so global change also refers to largescale changes in society. 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 system consists of the land, oceans, atmosphere, polar regions, life, the planets natural cycles and deep earth processes. Human population and environmental problems environmental. In con trast, in the developed world population growth had slowed down. Environment pollution is a widereaching problem and it is likely to influence the health of human populations is great.

Changes in population size growth or decline the composition of the population and the distribution of population in space. The composition of a population can also affect the surrounding environment. Health and environment linkages initiative heli heli is a global effort by who and unep to promote and facilitate action in developing countries to reduce environmental threats to human health, in support of sustainable development objectives. But after two centuries, the population of this planet reached to 6 billion, with half of this population being living in urban areas. The epub format uses ebook readers, which have several ease of reading features. Human population and the global environment population growth, rising per capita material consumption, and disruptive technologies have made civilization a global ecological force three dangerous misconceptions appear to be widespread among decisionmakers and others with responsibilities related to popula tion growth, environmental deterio. Urbanisation is being defined as the physical growth of urban areas as a result of global change. Human population and the environment 215 3 to 4 billion, in 14 years. N environmental threats are jeopardizing human health. Given the overlap of population growth and environmental problems, many would like to see a change in u.

This paper provides the insight view about the affects of environment pollution in the perspective of air pollution, water and land soil waste pollution on human by diseases and problems, animals and trees plants. It explores the ways in which demographers and other social scientists have sought to understand the relationships among a full range of population. To explain or predict the course of the present global environmental changes, one must therefore understand the. Global climate change of the magnitude and rate seen in the past hundred years is a relatively recent, unfamiliar threat to the conditions of the natural environment and human health. In this context they are notable books that describe, as a major theme, the effects of human activity on the environment nonfiction. It reflects a global consensus and political commitment at the highest level on development and environment cooperation.

Preparing financially for longer lives and finding ways to reduce agingrelated disability should. We show how the world population grew over the last several thousand years and we explain what has been driving this change. Nonfiction is an account or representation of a subject which is presented as fact. The variety and complexity of populationenvironment associations varies with spatial aggregation. Symposium on population, resources, and environment, stockholm, 26 095 10. Agenda 21 addresses the pressing problems of today and also aims at preparing the world for the challenges of the next century. Heli supports a more coherent approach to valuing the services that ecosystems provide to. Global change refers to planetaryscale changes in the earth system.

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. Population and environment the sole social science journal focused on interdisciplinary research on social demographic aspects of environmental issues. Oct 25, 2015 page 1 1 human population and the environment how to use this syllabus students. As young people are more likely to migrate, this leads to intensified urban environmental concerns, as listed above. Japan has actively tackled global environmental issues, through both multilateral conferences and. The world population is growing by approximately 74 million people per year. Modern medical facilities and illiteracy in some interior regions of developing countries are the major reasons for development of this inverted pyramid dem. Effects of various factors of human populations on environment. Pdf or denotes a file in adobes portable document format. Key scientific questions human dimensions of global.

The impact of that great rise of population on our environment. A healthy population is essential for economic development. One of the largest environmental effects of human population growth is the problem of global warming. Human health and environment the huge population pressurizes and degrades the environment physically, chemically and biologically. While developed countries continue to pollute the environment and deplete its resources, developing. In this paper, holdren and ehrlich tackle the misconceptions they feel are both dangerous and common among decision makers. Since populations can grow exponentially, resource depletion can occur rapidly, leading to specific environmental concerns such as global warming, deforestation and decreasing biodiversity. The environmental studies notes pdf es notes pdf book starts with the topics covering need for public awareness, natural resources and associated problems, structure and functions of an ecosystem. Apr 21, 2017 research suggests that the scale of human population and the current pace of its growth contribute substantially to the loss of biological diversity. Human population growth and the environment is the property of its rightful owner.

The poorest people on the planet tend to suffer most from the health effects from exposures to environmental hazards like air pollution and impure water. We will in this chapter, look in depth how the rising global human population develops into a problem, and the various environmental impacts it has on the earth. The past five decades have seen a rise in the global population to more than 7 billion people, and a concomitant industrialisation of agriculture. He is the bing professor of population studies of the department of biology of stanford university and president of stanfords center for conservation biology ehrlich became well known for his controversial 1968 book the population. Historical and projected per capita nondomesticated area. The world population is growing by approximately 74 million people per. Notes human population and the environment notes edurev. The impact of population, health, and environment projects. Abstract the environmental consequences of increasing human population size. The effect of population growth on the environment. Population growth and environmental changes preprints. Drivers population, consumption, and economic growth. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. How do we value and decide among the range of options.

Population of our earth was 1 billion, taking all the history of human beings to achieve this mark. Tanton, end of the migration epoch, reprinted by the social contract, vol. Chapter objectives assess the scope of human population growth and potential limits to its growth evaluate how human population, affluence, and technology affect the environment. Already, with around four thousand million people on earth, the race appears to have been lost by agriculture. Population growth can be slowed, stopped and reversed through actions which enhance global justice and improve peoples lives. Human population growth and the environmentexplosive population growthlimited natural resourcesincreasing environmental stresssustainable use. It is one of a set of largescale environmental changes now underway, each re. As might be imagined population growth has positive and negative effects on development.

Here you can download the free lecture notes of environmental studies pdf notes es pdf notes materials with multiple file links to download. It was appreciated that the global growth rate was depleting the earths. 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. This video outlines the implications of our growing population on the environment as well as implications for human kind. Various diseases hiv aids, tb, malaria, water borne diseases. An exponential curve growing at 2% per year lags the actual increase in the u. Feb 29, 2016 human population and environment chapter 2 1. In order to diminish negative impacts on the worlds resources by increasing human population growth, many strategies for sustainability, improvements, and technological advances should be researched, studied, considered, and implemented. The earth is not well, a new report asserts, but it can be revived. In turn, disease and disability related to polluted environments slows and blocks economic development.

This debate, however, presumes a onestep solution to the complex problems created by population pressures on the environment. Start the discussion today with the notion of sustainability. Demos means population graphics means to draw demography focuses its attention on three readily available human phenomena. 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 by nature. At the same time, the broader demographic, socioeconomic, and political context is held constant to some extentour sample includes only uppermiddleincome countries so we can move beyond emphasis on consumption patterns that dominate discussions of population and environment at the global level, and can isolate population growth to see if. The rapid increase of human population is putting an incredible strain on our environment.

Human immunodeficiency virusacquired immunodeficiency syndrome. Human population and environmental problems volume 1 issue 1 paul r. Although technological change and unequal consumption inextricably mingle with demographic impacts on the environment, the needs of all human beingsespecially for foodimply that projected population growth will undermine protection of the. Excel or the letters xls indicate a document is in the microsoft excel spreadsheet format xls. 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. The changes in human environment increases the incidence of many diseases. Human population and the environment economic growth. Learn more about the power of ethical, choicebased solutions. Human overpopulation or population overshoot is when there are too many people for the environment to sustain with food, drinkable water, breathable air, etc. Number of individuals of the population per unit area or per unit volume. Population and the environment the impact of population growth on economic development is a complex issue. A stable ecosystem resists large, rapid changes in the sizes of its constituent populations which upset the orderly flow of energy and nutrients. The earth has entered a period of hydrological, climatological, and biological change that differs from previous episodes of global change in the extent to which it is human in origin. Looking at the global distribution of population across the northsouth axis, it is easy to see a massive concentration of people between the latitudes 5n and 50n.

Projecting global population human population continues to increase r has declined over last few decades 1960 r 2. Userfilesdownloadsprofilefoundationforecodevelopmentandconservation. In addition to its toll on human suffering, illness carries a significant. Potentially adverse changes in the growth, structure and distribution of the human population 5.

In demographics, the world population is the total number of humans currently living, and was estimated to have reached 7. What are the underlying social processes or driving forces behind the human relationship to the global environment, such as human attitudes and behavior, population dynamics, and economic transformation. To view the file, you will need the microsoft excel viewer available for free from microsoft. The impact of human population growth on the worlds. Throughout the history, acknowledged scientists introduced the concept of overpopulation and. The 1972 united nations conference on the human environment and the 1992 united nations conference on environment and development unced brought global environmental problems to the attention of the world. Ppt human population growth and the environment powerpoint. The state of health of people depends on clean environment. Population and environment relationships in developing. Changes in the subjective human perception of the environment 6. Thus, they could be said to fit into this growing understanding of the human environment system. The interactions between human population dynamics and the environment have. The complexity of the interrelationships between population growth and environmental concerns is often obscured when the global picture is presented. Bush instituted what some call the global gag rule, whereby foreign organizations that provide.

Population growth is the increase in the number of people living in a particular area. As in any contested fieldand population environment studies certainly fit this descriptiona wide array of theories have emerged to describe the relationship among the variables of interest, and each of these theories leads to starkly different conclusions and policy recommendations. Global population growth creates environmental problems. Human population as a dynamic factor in environmental degradation. 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. Paul ralph ehrlich born may 29, 1932 is an american biologist, best known for his warnings about the consequences of population growth and limited resources. To view the file, you will need the adobe reader available free from adobe. The interactions between human population dynamics and the environment have often been viewed mechanistically. A man burns the remains of dead trees in a driedup orchard in droughtstricken lake urmia, iran. Much population environment research, whether at the local or global scales, is motivated by a broader concern for sustainability.