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Davis led and conducted major studies of societies in Europe, South America, Africa and Asia, coined the term "population explosion", and played a major role in the naming and development of the demographic transition model. He was also one of the original scholars in the development of the theory of overurbanization.
Malthusianism is the theory that population growth is potentially exponential, according to the Malthusian growth model, while the growth of the food supply or other resources is linear, which eventually reduces living standards to the point of triggering a population decline. This event, called a Malthusian catastrophe (also known as a ...
Human overpopulation. Human overpopulation (or human population overshoot) describes a concern 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.
Thomas Robert Malthus FRS ( / ˈmælθəs /; 13/14 February 1766 – 29 December 1834) [1] was an English economist, cleric, and scholar influential in the fields of political economy and demography. [2] In his 1798 book An Essay on the Principle of Population, Malthus observed that an increase in a nation's food production improved the well ...
ISBN. 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 book An Essay on the Principle of Population was first published anonymously in 1798, but the author was soon identified as Thomas Robert Malthus.The book warned of future difficulties, on an interpretation of the population increasing in geometric progression (so as to double every 25 years) while food production increased in an arithmetic progression, which would leave a difference ...
Demographic transition. In demography, demographic transition is a phenomenon and theory which refers to the historical shift from high birth rates and high death rates in societies with minimal technology, education (especially of women) and economic development, to low birth rates and low death rates in societies with advanced technology ...
Biopower (or biopouvoir in French), coined by French social theorist Michel Foucault, refers to various means by which modern nation states control their populations.In Foucault's work, it has been used to refer to practices of public health, regulation of heredity, and risk regulation, among many other regulatory mechanisms often linked less directly with literal physical health.