Search results
Results From The WOW.Com Content Network
Human overpopulation. Human overpopulation (or human population overshoot) is the idea that human populations may become too large to be sustained by their environment or resources in the long term. The topic is usually discussed in the context of world population, though it may concern individual nations, regions, and cities.
Overpopulation or overabundance is a phenomenon in which a species' population becomes larger than the carrying capacity of its environment.This may be caused by increased birth rates, lowered mortality rates, reduced predation or large scale migration, leading to an overabundant species and other animals in the ecosystem competing for food, space, and resources.
1-56849-587-0. The Population Bomb is a 1968 book co-authored by former Stanford University professor Paul R. Ehrlich and former Stanford senior researcher in conservation biology Anne H. Ehrlich. [ 1][ 2] From the opening page, it predicted worldwide famines due to overpopulation, as well as other major societal upheavals, and advocated ...
The current world population growth is approximately 1.09%. [7] People under 15 years of age made up over a quarter of the world population (25.18%), and people age 65 and over made up nearly ten percent (9.69%) in 2021. [7] The world population more than tripled during the 20th century from about 1.65 billion in 1900 to 5.97 billion in 1999.
Californians for Population Stabilization. Center for Biological Diversity. Earth Policy Institute. National Commission for the Observance of World Population Year 1974. Negative Population Growth. NumbersUSA. Population Action International. Population Balance. Population Connection (called Zero Population Growth until 2002)
Don't Panic — The Truth about Population is a 2013 documentary about human overpopulation produced by Wingspan Productions and The Open University for the BBC as part of the This World series and presented by Swedish statistician Hans Rosling of the Gapminder Foundation . The documentary combines a lecture by Rosling, showing Musion 3D ...
Human population planning is the practice of managing the growth rate of a human population. The practice, traditionally referred to as population control, had historically been implemented mainly with the goal of increasing population growth, though from the 1950s to the 1980s, concerns about overpopulation and its effects on poverty, the ...
Population growth is the increase in the number of people in a population or dispersed group. Actual global human population growth amounts to around 83 million annually, or 1.1% per year. [2] The global population has grown from 1 billion in 1800 to 8.1 billion in 2024. [3] The UN projected population to keep growing, and estimates have put ...