World population video p, e students watch world population to see a graphic simulation of human population growth over time. However, what little know of is that the human population is only one of the several factors that affect the environment. While developed countries continue to pollute the environment and deplete its resources, developing. The state of health of people depends on clean environment. 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.
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. What are environmental problems due to population growth. Global population growth creates environmental problems. The impact of population growth on economic development is a complex issue. 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. In each case, we will try to provide some indication of the degree of. More people should have a greater impact on the environment, if all other factors such. 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. 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. Humanenvironment interactions in population and ecosystem. Rich countries general improvement in the quality of the human environment.
Even as we tighten our grip on the environment, however, the escalating extent of anthropogenic actions destabilizes longstanding ecological balances 1, 2. Population growth, ecosystem services and human wellbeing by lynne gaffikin. The growth of the last 200 years appears explosive on the historical timeline. As human population increase, there is also increase in the demand for food and other energy sources. Impact of a growing population on natural resources. The changes in human environment increases the incidence of many diseases. The sole social science journal focused on interdisciplinary research on social demographic aspects of environmental issues. The ipat equation, first devised in the 1970s, is a way of determining environmental degradation based on a multiple of factors. The important aspect of the interrelationship is the culture. Agenda 21 addresses the pressing problems of today and also aims at preparing the world for the challenges of the next century. 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 2 mr. 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. Apr 09, 2018 theoretical accounts on the populationenvironment link. With more people coming, how is this going to affect the.
The ingenuity with which our species has harnessed natural resources to fulfill our needs is dazzling. The biophysical aspect of the carrying capacity can be defined as the maximum population size that could be. Since populations can grow exponentially, resource depletion can occur rapidly, leading to specific environmental concerns such as global warming, deforestation and decreasing biodiversity. Unit vii human population and the environment learning objectives after reading this chapter, students will be able to. Environmental science and human population term paper. Thats more than seven billion three hundred million bodies that need to be fed, clothed, kept warm and ideally, nurtured and educated. The environmental implications of population dynamics. It explores the ways in which demographers and other social scientists have sought to understand the relationships among a full range of population. As the global human population continues to grow, so too does our impact on the environment. 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. 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. For example, beaver dams alter the stream environment where they are built. Projecting global population human population continues to increase r has declined over last few decades 1960 r 2.
Population growth, ecosystem services and human wellbeing. Variation in population growth is therefore not rooted in different levels of human development or broad cultural values, factors that could also affect the environment. The overall effects of this growth on living standards, resource use, and the environment will continue to change the world landscape long after. Bloom overview what factors influence human population growth trends most strongly, and how does population growth or decline impact the environment. Global trends in population and consumption at the global level, research has found that the two major drivers of humanity s ecological footprint are population and consumption 11, so we provide a brief introduction to the status and trends in these two indicators. Here is your short essay on environment sanitation brief note on interrelationship between culture and environment hivaids human population and the environment stage of development human population and the environment. Concepts of animal population dynamics can be applied to human population growth. There is an inverse relationship existing between population growth and environment as overpopulation will lead to adverse effect on the environment. All life on earth obtains its food and other necessities from this environment. 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 world. The impact of human settlements on the environment. More people should have a greater impact on the environment, if all other factors such as per capita consumption remain unchanged. The interactions between human population dynamics and the environment have often been viewed mechanistically. The rapid increase of human population is putting an incredible strain on our environment.
High school activities world of 7 billion population. In humans, it is the general condition of a persons mind, body and spirit, usually meaning to be free from illness, injury or pain. Dec 20, 2016 as the global human population continues to grow, so too does our impact on the environment. The geometric rise in human population levels during the twentieth century is the fundamental cause of the loss of biodiversity. Conference on environment and development, and on the acceptance of the need to take a balanced and integrated approach to environment and development questions.
This debate, however, presumes a onestep solution to the complex problems created by population pressures on the environment. Pimentel introduction a h e a l t h y and prudently managed environment is a major benefit to humans and other species. Research suggests that the scale of human population and the current pace of its growth contribute substantially to the loss of biological diversity. Various diseases hiv aids, tb, malaria, water borne diseases. The carrying capacity of a biological species in an environment is the maximum population size of the species that the environment can sustain indefinitely, given the food, habitat, water, and other necessities available in the environment.
Different factors which plays a vital role are been discussed in detail. Human health and environment the huge population pressurizes and degrades the environment physically, chemically and biologically. Environmental science and human population yatinae prentiss sci256 october, 12, 2015 louise morell university of phoenix material environmental science and human population worksheet using the textbooks, the university library, or other resources, answer each. As a result, human population has been able to maintain exponential growth during the past 100 years.
Human population and the environment 215 3 to 4 billion, in 14 years. The interaction of human population, food production, and. As might be imagined population growth has positive and negative effects on development. Pdf the rapid increase of human population is putting an incredible strain on our environment. Even differences in fertility rates between urban and rural regions, which were prominent until the midtwentieth century, have almost disappeared. Populations in developed countries trend toward using substantially. As in any contested fieldand populationenvironment 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.
Population growth is the increase in the number of people living in a particular area. In population biology, carrying capacity is defined as the environments maximal load, which is different from the concept of population equilibrium. Population and the environment the impact of population growth on economic development is a complex issue. Humans are not unique in their ability to alter their environment. The relationship between human beings and their environment is very close. Chapter 5 human settlements department of environmental. Nature and natural resources are destroyed as human populations grow. It has become increasingly clear that human populations have a powerful effect on the. All indications are that the impact of human settlements on environmental resources is increasing.
Population growth and its impacts on nature and natural resources. The effect of population growth on the environment. The concise report is the revised version of the concise report on world pop ulation monitoring for 2001 ecn. Population and the environment the link between population growth and environmental impact seems obvious at first glance. 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 relation between population and environmental degradation is often considered straightforward.
Health is the level of functional or metabolic efficiency of a living being. Following the film, students answer questions about why population size has changed, where these changes occurred, and what factors may have contributed to these changes. Human population dynamics street market in mumbai, india. We have all known for long that the human population is no doubt the chief contributor to environmental woes. Environmental science and human population yatinae prentiss sci256 october, 12, 2015 louise morell university of phoenix material environmental science and human population worksheet using the textbooks, the university library, or other resources, answer each of the following questions in 100 to 200 words. 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. 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. Start the discussion today with the notion of sustainability. Theoretical accounts on the populationenvironment link. In population biology, carrying capacity is defined as the environment s maximal load, which is different from the concept of population equilibrium. Drawing from the scientific literature, this report presents a synthesis of what is known about the role played by human population factors in environmental change. Page 1 1 human population and the environment how to use this syllabus students.
1329 8 986 1282 826 1453 452 711 1294 1578 391 248 344 548 623 901 462 753 729 543 858 1121 1140 375 433 232 277 318 1325 1140