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Nuclear war is an often-predicted cause of the extinction of humankind. [1]Human extinction or omnicide is the hypothetical end of the human species, either by population decline due to extraneous natural causes, such as an asteroid impact or large-scale volcanism, or via anthropogenic destruction (self-extinction), for example by sub-replacement fertility.
An uncertain factor is the influence of human technology such as climate engineering, [2] which could cause significant changes to the planet. [ 3 ] [ 4 ] For example, the current Holocene extinction [ 5 ] is being caused by technology, [ 6 ] and the effects may last for up to five million years. [ 7 ]
Some of the more extreme warnings of civilizational collapse caused by climate change, such as a claim that civilization is highly likely to end by 2050, have attracted strong rebutals from scientists. [5] [6] The 2022 IPCC Sixth Assessment Report projects that human population would be in a range between 8.5 billion and 11 billion people by ...
A growing number of scientists believe a sixth mass extinction event of a magnitude equal to the prior five has been unfolding for the past 10,000 years as humans have made their mark around the ...
Humans will soon go extinct unless we can find 5 more earths. We’re basically in the days of the dinosaurs, according to Stanford scientists.
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The estimated time for the full recovery of biodiversity after a potential Holocene extinction, if it were on the scale of the five previous major extinction events. [52] Even without a mass extinction, by this time most current species will have disappeared through the background extinction rate, with many clades gradually evolving into new forms.
An expert responds to a teenager who wants to know – is there any hope for humanity's future?