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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.
The first sea animals to go extinct will be large fish, followed by small fish and then, finally, invertebrates. [78] The last animals to go extinct will be animals that do not depend on living plants, such as termites, or those near hydrothermal vents, such as worms of the genus Riftia. [73]
In other words, Gott's argument gives a 95% confidence that humans will go extinct between 5,100 and 7.8 million years in the future. Gott has also tested this formulation against the Berlin Wall and Broadway and off-Broadway plays. [7] Leslie's argument differs from Gott's version in that he does not assume a vague prior probability ...
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.
According to a journal article by Bostrom, an asteroid impacting with Earth would need to be larger than 1 km in diameter to render humans extinct. It is estimated that such an asteroid hits Earth about every 500,000 years.
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The population of early humans dwindled to around 1,280 individuals during a time of dramatic climate change and remained that small for about 117,000 years, the study said.
Human-driven extinction started as humans migrated out of Africa more than 60,000 years ago. [38] Currently, environmental groups and some governments are concerned with the extinction of species caused by humanity, and they try to prevent further extinctions through a variety of conservation programs. [ 10 ]