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Aftermath: Population Zero (also titled Aftermath: The World After Humans) [1] is a Canadian special documentary film that premiered on Sunday, March 9, 2008 (at 8:00 PM ET/PT) on the National Geographic Channel. The program was produced by Cream Productions.
Life After People is a television series on which scientists, mechanical engineers, and other experts speculate about what might become of planet Earth if humanity suddenly disappeared. The featured experts also talk about the impact of human absence on the environment and the vestiges of civilization thus left behind.
In many early attempts, such as in Ancient Egypt and the Persian Empire, the focus was on counting merely a subset of the population for purposes of taxation or military service. [2] Published estimates for the 1st century (" AD 1 ") suggest uncertainty of the order of 50% (estimates range between 150 and 330 million).
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).
Humans move underground to survive, and to explore the Earth's surface, humans have to wear space suits. At 300 °F (149 °C), water begins to evaporate much faster than it does today. The concentration of water vapor increases in the atmosphere, displacing oxygen , but despite the intense heat, oxygen levels become so low that fires cannot start.
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Humans [3] Quaternary extinction event: 640,000, 74,000, and 13,000 years ago: Unknown; may include climate changes, massive volcanic eruptions and Humans (largely by human overhunting) [4] [5] [6] Neogene: Pliocene–Pleistocene boundary extinction: 2 Ma: Possible causes include a supernova [7] [8] or the Eltanin impact [9] [10] Middle Miocene ...
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