The human population explosion yale scientific magazine. This lesson looks at the effect of the human population growth on land, resources and pollution. Human overpopulation occurs when the number of humans in a specific geographical location exceeds the carrying capacity of the place occupied by that group. Edition notes bibliographical references included in footnotes p. Population explosion human overpopulation atmosphere of earth. The population explosion is due to a reduction in mortality death rate throughout the world, not an increase in fertility birth rate. Population growth and earths human carrying capacity. There is a great rush in buses, trains, schools, colleges, hospitals and markets as a result of which many people have neither sound physical health nor sound mental health.
S census bureau 1 billion people in the next decade equal to current chinas population the current population growth rate is a. On or around october 31, 2011, the human population will reach the 7 billion mark, according to projections by the united nations population division. Population growth and environmental degradation population is an important source of development, yet it is a major source of environmental degradation when it exceeds the threshold limits of the support systems. Unless the relationship between the multiplying population and the life support system can be stabilized, development programs, howsoever, innovative are not likely to yield. The effect of the population explosion teaching resources. Population is an important source of development, yet it is a major source of environmental degradation when it exceeds the threshold limits of the support systems. Population explosion definition and meaning collins.
During the next decade those who were worried studied, wrote, and warned about human population growth and its consequences. A population explosion is a sudden increase in the number of individuals in a particular species. The word population comes from the latin word populus. Books similar to the population explosion goodreads. Population explosion refers the sudden and rapid rise in the size of population, especially human population. It can result from an increase in births fertility rate, a decline in the mortality rate, an increase in immigration, or an unsustainable biome and depletion of resources. Between 1959 and 2000, the worlds population increased from 2. In order to achieve a given rate of increase in per capita income, larger investment is needed. There is a great rush in buses, trains, schools, colleges, hospitals and markets as a result of which many people have. The population is booming and mike hanauer of zero population growth considers that the worlds leading environmental problem. 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. Paul and anne ehrlich also clearly and concisely point to immediate action that will lessen the threat of ruin and begin to build a more peaceful, sane, and secure world. Sardal slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. The human population explosion and the future of life.
Feb 18, 2007 the population is booming and mike hanauer of zero population growth considers that the worlds leading environmental problem. A drastic growth in population beyond normal limits is called population explosion. The study examines the dangers of human population explosion. A population explosion is when there are a significant increase in numbers of people in a location. 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. Advanced knowledge of population explosion and birth. The cause of, first, the acceleration and, then, the deceleration in population growth is the modern demographic transition. World population has been rising continuously since the end of the black death, around the year 50, although the most significant increase has been since the 1950s, mainly due to medical advancements and increases in agricultural productivity due to its dramatic impact on the human ability to grow food, the haber process served as the detonator of the population explosion, enabling the.
The human population explosion and the future of life rewilding. The problem can be tackled in two ways, both drawing on the resources of modern technology. The population explosion vividly describes how the earths population, growing by 95 million people a year, is rapidly depleting the planets resources, resulting in famine, global warming, acid rain, and other major problems. A read is counted each time someone views a publication summary such as the title, abstract, and list of authors, clicks on a figure, or views or downloads the fulltext. The term is typically used in reference to the worlds human population, especially the population boom that followed the end of world war ii due to a combination of an accelerated birth rate, decrease in infant mortality, and an increased life expectancy. While developed countries continue to pollute the environment and deplete its resources, developing. Population explosion, population control, project report. Read this essay to learn about the population explosion.
After centuries of very slow and uneven growth, the world population reached one billion in 1800. According to united nations projections, the world population will. A rapid decline, due perhaps to drought, plague or widespread disease, extreme climate change, invasion and destruction of habitat, capture and confinement or resettlement, or loss of wildlife on which the population depends. Overpopulation occurs when a species population exceeds the carrying capacity of its ecological niche. Often the implication is that the population has grown too much. Other articles where population explosion is discussed. The powerpoint population explosion contains all the information needed and notes to explain activities. According to united nations projections, the world population will be between 7.
Population density is a measurement of population per square kilometer at any given time. 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. It is an unchecked growth of human population caused as a result of. Apr 15, 1990 the population explosion vividly describes how the earths population, growing by 95 million people a year, is rapidly depleting the planets resources, resulting in famine, global warming, acid rain, and other major problems. The human population explosion and the future of life the rewilding institute. Jan 14, 2011 the population explosion this year, there will be 7 billion people on earth. A population is thus the group of people or other organisms that live in a particular place. S census bureau 1 billion people in the next decade. 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. Population explosion refers to the rapid and dramatic rise in world population that has occurred over the last few hundred years. Human overpopulation or population overshoot is when there are too many people for the. 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.
The human population explosion on a finite planet essay. In every field of life there is friction, restlessness and dissatisfaction. Population may be considered positive hindrance in the way of economic development of a country. Causes of early human population growth wiley online library. The population explosion explores the effects of increasing plant population density on growth, development and reproduction. Learning english 6 minute english population explosion. A pressure upon resources as there are more people eg. Pdf the study examines the dangers of human population explosion. Reasons include increased birth rate decreased death rate. This adversely affects the growth rate of the economy. Population control china and india are the worlds most populous countries with 37% of the worlds population. The human population explosion dave foreman from man swarm and the killing of wildlife2011 the massive growth in the human population through the 20th century has had more impact on biodiversity than any other single factor. The rapid increase of human population is putting an incredible strain on our environment.
Overpopulation can further be viewed, in a long term perspective, as existing when a population cannot be maintained given the rapid depletion of nonrenewable resources or given the degradation of the capacity of the environment to give. The study found that the earth has a limited carrying capacity. Alice and finn talk about a population explosion in the world and how engineers suggest it can be dealt with. I have also mentioned indicator species and have included a homework sheet based on lichens. Human overpopulation or population overshoot is when there are too many people for the environment to sustain with food, drinkable water, breathable air, etc. A population consist of all the individuals of the same species occupying a particular geographical area at a given time. Jun 04, 2015 the ny times has an excellent article and accompanying video regarding the unrealized horror of the population explosion published may 31, 2015. The population explosion was the most important, astounding, and farreaching event of the twentieth century, say the ehrlichs. Learn vocabulary, terms, and more with flashcards, games, and other study tools. They call for a mass movement to forestall global catastrophe, and discuss in detail what needs to be done. Citing, among other doomsayers, professor paul ehrlich of stanford university the article lays out all of the malthusian arguments which were extremely popular in the 1960s and 1970s.
As per statistical data, the worlds population has increased by 2. A population explosion is when a certain population grows drastically in size. Aug 16, 2008 population growth and environmental degradation. When overpopulation occurs, individuals limit available resources to survive. The aim of the paper the human population explosion on a finite planet is to examine population explosion on earth, which has become a contentious issue studentshare our website is a unique platform where students can share their papers in a matter of giving an example of the work to be done. Sir david king, science advisor to the british government. Human population and the environment 215 3 to 4 billion, in 14 years.
Population growth is the increase in the number of individuals in a population. Population growth global population growth year population in billions 1700 0. The rapid and dramatic rise in population of an area is termed as population explosion. Blog, essays and paragraphs on november 17, 2016 by various contributors. Earths capacity to support people is determined both by natural con straints and by. Population explosion human overpopulation atmosphere. Human population is growing at a pace at which the carrying capacity of the. Of all the centurys technological marvels, the haberbosch process has made the most difference to our survival. Department of anthropology, university of alabama, tuscaloosa. Following are the main effects of population explosion. With human population growing so rapidly could we control population growth in the f.
Food has to be distributed among more people linking with th. But how will the planet will cope with the expanding population and is there anything we can, or should, do to stop it. The ny times has an excellent article and accompanying video regarding the unrealized horror of the population explosion published may 31, 2015. Pdf the rapid increase of human population is putting an incredible strain on our environment. Both an explosion in the human population and the increasing prevalence of technology have led to the start of what has been dubbed the anthropocene era, a term stemming from the greek roots anthropo human and cene new that examines the extent to which human activity has impacted ecosystems across the planet. Detonator of the population explosion without ammonia, there would be no inorganic fertilizers, and nearly half the world would go hungry. The population explosion vividly describes how the earths population, growing by 95 million people a year, is rapidly depleting the planets resources, resulting in famine, global warming, acid. A species may have a single population or many populations confined to distinct area. Too much population is not good for economic development. In a capital poor and technologically backward country, growth of population reduces output by lowering the per capita availability of capital. What are the ill effects of population explosion and what.
Human population growth and the demographic transition. In any case, it exceeds by far the average growth rate of the human species homo sapiens sapiens that arose in africa some 200. Sep 07, 2016 a rapid decline, due perhaps to drought, plague or widespread disease, extreme climate change, invasion and destruction of habitat, capture and confinement or resettlement, or loss of wildlife on which the population depends. Population explosion definition and meaning collins english. Population explosion has led to lawlessness, corruption, violence and crimes. If you continue browsing the site, you agree to the use of cookies on this website. Population growth and problems of population explosion pdf. Experts estimate that by 2050 there could be 10 billion humans on earth. 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. Demography refers to statistical study of human population with reference to size, density, distribution and other vital allied aspects. Population explosion population growth is the result of a balance between biotic potential and environmental resistance population growth may be defined.