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...he term "[[ecological overshoot|overshoot]]" represents the level by which human population's demand overshoots the [[sustainable]] amount of biological res ...the planet's ecosystems can regenerate in the entire year.<ref name=EOD /> Human demand includes all demands that compete for the regenerative capacity of t ...

...es harvest mortality and natural mortality. Natural mortality includes non-human predation, disease and old age. [[Overpopulation (biology)|Overpopulation]] may indicate any case in which the population of any species of animal ma ...

...ects.svg|thumb|upright=1.4|High, medium, and low projections of the future human world population<ref name=":4">{{Cite web |date=2022 |title=World Populatio ...00,000 years of human [[prehistory]] and [[human history|history]] for the human population to reach a billion and only 218 more years to reach 8&nbsp;billi ...