The population explosion explores the effects of increasing plant population density on growth, development and reproduction. In the 20th century, human population has grown much faster than ever before. Ehrlich and his wife, anne ehrlich who was uncredited, in 1968. In the world population debate, the general concerns involve mainly three interconnected consequences of the population explosion. The study found that the earth has a limited carrying capacity. By 1776, about 85% of the white population in the british colonies was of english, irish, scottish, or welsh descent, with 9% of german origin and 4% dutch.
World population problems the growth of world population. Pdf the rapid increase of human population is putting an incredible strain on our environment. The population of the american colonies through the 18th century was primarily a mixture of immigrants from different countries in europe and slaves from africa. The negative effects of rapid population growth appear to have weighed most. Between 19501990, in just 40 years the population crossed 5 billion marks with current addition of about 92 million every year. The population explosion free ebook download as pdf file. The study examines the dangers of human population explosion. Population growth is the increase in the number of individuals in a population. This paper first charts the differences in population growth. Ehrlich, the population explosion 1990 hereinaf plosion. Population explosion is a bigger problem than it seems.
The population bomb revisited population media center. It predicted worldwide famine in the 1970s and 1980s due to overpopulation, as well as other major societal upheavals, and advocated immediate action to limit population growth. The human population explosion and the future of life. There has been a dramatic reduction in the doubling time of the global human population, as we have already discussed. List of countries and dependencies by population wikipedia.
The explosive acceleration in world population growth is a relativcly recent phonomenon. The recent rapid increase in population in ldcs reflects a steep fll in mortality, this development represents substantial improvemen t. In any case, it exceeds by far the average growth rate of the human species homo sapiens sapiens that arose in africa some 200. An essay on the principle of population an essay on the principle of population, as it affects the future improvement of society with remarks on the speculations of mr. The population explosion when paul ehrlich published the population bomb in 1968, the population of earth was 3. The world population explosion ku leuven personal webserver. 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. Fears of a population explosion were widespread in the. The population bomb is a bestselling book written by stanford university professor paul r. While there has been a steady increase of population growth during the past two or three centuries, it has been especially rapid during the past 20 years. We are supporting the current level of overpopulation only by depleting resources that were.