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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.
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 ...
In 2020, a paper studied 538 plant and animal species from around the world and how they responded to rising temperatures. From that sample, they estimated that 16% of all species could go extinct by 2070 under the "moderate" climate change scenario RCP4.5, but it could be one-third under RCP8.5, the scenario of continually increasing emissions.
Two-thirds of polar bears could vanish by 2050, thanks to melting sea ice. But the effects of a warming climate aren't limited to the Arctic Circle. Climate change could drive one in 6 species to ...
An expert responds to a teenager who wants to know – is there any hope for humanity's future?
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.
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 ]
Large numbers, huge ranges, and adaptibility make the human species very difficult to eradicate