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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 ...
A variety of authors have argued that a particular system is the "end of history" including Thomas More in Utopia, Georg Wilhelm Friedrich Hegel, Vladimir Solovyov, Alexandre Kojève, [1] and Francis Fukuyama in the 1992 book, The End of History and the Last Man. [2] The concept of an end of history is a globalist form of the same end of the ...
The End of History and the Last Man is a 1992 book of political philosophy by American political scientist Francis Fukuyama which argues that with the ascendancy of Western liberal democracy—which occurred after the Cold War (1945–1991) and the dissolution of the Soviet Union (1991)—humanity has reached "not just ... the passing of a particular period of post-war history, but the end of ...
Values make collective action possible. "Human beings also find great satisfaction in the fact that values and norms are shared. Solipsistically held values defeat their own purpose and lead to a highly dysfunctional society in which people are unable to work together for common ends." [12]
However, while popular perception sometimes takes nuclear war as "the end of the world", experts assign low probability to human extinction from nuclear war. [ 86 ] [ 87 ] In 1982, Brian Martin estimated that a US–Soviet nuclear exchange might kill 400–450 million directly, mostly in the United States, Europe and Russia, and maybe several ...
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Human history is the record of humankind from prehistory to the present. Modern humans evolved in Africa around 300,000 years ago and initially lived as hunter-gatherers.They migrated out of Africa during the Last Ice Age and had spread across Earth's continental land except Antarctica by the end of the Ice Age 12,000 years ago.