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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.
Early discussions of overpopulation in English were spurred by the work of Thomas Malthus. Discussions of overpopulation follow a similar line of inquiry as Malthusianism and its Malthusian catastrophe , [ 10 ] [ 11 ] a hypothetical event where population exceeds agricultural capacity, causing famine or war over resources, resulting in poverty ...
While the essay was an important contribution to economics and population growth, recent attention has focused on the final two paragraphs. Franklin was alarmed by the influx of German immigrants to Pennsylvania. The German immigrants were lacking in a liberal political tradition, the English language, and Anglo-American culture.
Malthus argued in his Essay (1798) that population growth generally expanded in times and in regions of plenty until the size of the population relative to the primary resources caused distress: Yet in all societies, even those that are most vicious, the tendency to a virtuous attachment [i.e., marriage] is so strong that there is a constant ...
Graph of human population from 10,000 BC to 2017 AD. It shows the extremely rapid growth in the world population since the eighteenth century. The Population Bomb was written at the suggestion of David Brower, the executive director of the environmentalist Sierra Club, and Ian Ballantine of Ballantine Books following various public appearances Ehrlich had made regarding population issues and ...
In 2007, Jeffrey Sachs gave a number of lectures (2007 Reith Lectures) about population planning and overpopulation. In his lectures, called "Bursting at the Seams", he featured an integrated approach that would deal with a number of problems associated with overpopulation and poverty reduction. For example, when criticized for advocating ...
Bill Gates told Patrick Collison that younger generations should worry about four things. They are the climate crisis, unchecked AI, nuclear war, and the spread of disease.
Garrett James Hardin (April 21, 1915 – September 14, 2003) was an American ecologist and microbiologist.He focused his career on the issue of human overpopulation, and is best known for his exposition of the tragedy of the commons in a 1968 paper of the same title in Science, [1] [2] [3] which called attention to "the damage that innocent actions by individuals can inflict on the environment ...