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Indeed, some analysts claim that overpopulation's most serious impact is its effect on the environment. [142] Some scientists suggest that the overall human impact on the environment during the Great Acceleration , particularly due to human population size and growth, economic growth , overconsumption, pollution , and proliferation of ...
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.
Therefore, while reduced fertility rates are positive for society and the environment, the short term focus should be on mitigating the human impact on the environment through technological and social innovations, along with reducing overconsumption, with population planning being a long-term goal.
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A positive check is any event or circumstance that shortens the human life span. The primary examples of this are war, plague and famine. [31] However, poor health and economic conditions are also considered instances of positive checks. [32] When these lead to high rates of premature death, the result is termed a Malthusian catastrophe.
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Due to its dramatic impact on the human ability to grow food, the Haber process, named after one of its inventors, the German chemist Fritz Haber, served as the "detonator of the population explosion", enabling the global population to increase from 1.6 billion in 1900 to 7.7 billion by November 2019. [17]
The diversification and urbanization of the U.S. population could have a substantial impact on American politics, many experts say. At first glance, the shift in demographics appears to offer an ...