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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 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.
The military does not solely have negative effects on the environment. [293] There are several examples of militaries aiding in land management, conservation, and greening of an area. [294] Additionally, certain military technologies have proven extremely helpful for conservationists and environmental scientists. [295]
Living costs are a big overpopulation problem.
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 environment and political stability led to efforts to reduce population growth rates in many ...
The Global Footprint Network purports to be able to measure how much the human economy demands against what the Earth can renew. [13] [14] The Optimum Population Trust (now called Population Matters) has listed what they believe is the overshoot (overpopulation) of a number of countries, based on the above. [15]
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.
Absolute increase in global human population per year [1] Population growth is the increase in the number of people in a population or dispersed group. The global population has grown from 1 billion in 1800 to 8.2 billion in 2025. [2] Actual global human population growth amounts to around 70 million annually, or 0.85% per year.