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Global fertility rates as of 2020. About half of the world population lives in nations with sub-replacement fertility. [226] The concept of human overpopulation, and its attribution as a cause of environmental issues, are controversial. [68] [36] [227] [70] [121]
World population 1950–2010 World population 1800-2000. In his concluding chapter, Ehrlich offered a partial solution to the "population problem", "[We need] compulsory birth regulation... [through] the addition of temporary sterilants to water supplies or staple food.
Population Balance (formerly World Population Balance) is a 501(c)(3) non-profit organization in the United States that raises awareness of the connections between pronatalism, human supremacy, social inequalities, and ecological overshoot, and advocates for solutions to address their combined impacts on the planet, people, and animals.
Living costs are a big overpopulation problem.
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Overpopulation or overabundance is a state in which the population of a species is 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.
Many studies have tried to estimate the world's sustainable population for humans, that is, the maximum population the world can host. [5] A 2004 meta-analysis of 69 such studies from 1694 until 2001 found the average predicted maximum number of people the Earth would ever have was 7.7 billion people, with lower and upper meta-bounds at 0.65 and 9.8 billion people, respectively.
The 7 Billion Actions Campaign centers on highlighting individuals and organizations making a significant impact and creating innovative solutions in the 7 key issues identified as most imperative for the growing global population. [7] Poverty and Inequality: Breaking the Cycle "Reducing poverty and inequality also slows population growth."