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  2. Global catastrophe scenarios - Wikipedia

    en.wikipedia.org/wiki/Global_catastrophe_scenarios

    A biotechnology catastrophe may be caused by accidentally releasing a genetically engineered organism from controlled environments, by the planned release of such an organism which then turns out to have unforeseen and catastrophic interactions with essential natural or agro-ecosystems, or by intentional usage of biological agents in biological ...

  3. Global catastrophic risk - Wikipedia

    en.wikipedia.org/wiki/Global_catastrophic_risk

    A global catastrophic risk or a doomsday scenario is a hypothetical event that could damage human well-being on a global scale, [2] even endangering or destroying modern civilization. [3]

  4. Disaster - Wikipedia

    en.wikipedia.org/wiki/Disaster

    The international disaster database EM-DAT defines a disaster as “a situation or event that overwhelms local capacity, necessitating a request for external assistance at the national or international level; it is an unforeseen and often sudden event that causes great damage, destruction and human suffering.” [12] The effects of a disaster ...

  5. Unintended consequences - Wikipedia

    en.wikipedia.org/wiki/Unintended_consequences

    An erosion gully in Australia caused by rabbits, an unintended consequence of their introduction as game animals. In the social sciences, unintended consequences (sometimes unanticipated consequences or unforeseen consequences, more colloquially called knock-on effects) are outcomes of a purposeful action that are not intended or foreseen.

  6. Black swan theory - Wikipedia

    en.wikipedia.org/wiki/Black_swan_theory

    A black swan (Cygnus atratus) in AustraliaThe black swan theory or theory of black swan events is a metaphor that describes an event that comes as a surprise, has a major effect, and is often inappropriately rationalized after the fact with the benefit of hindsight.

  7. Catastrophism - Wikipedia

    en.wikipedia.org/wiki/Catastrophism

    From around 1850 to 1980, most geologists endorsed uniformitarianism ("The present is the key to the past") and gradualism (geologic change occurs slowly over long periods of time) and rejected the idea that cataclysmic events such as earthquakes, volcanic eruptions, or floods of vastly greater power than those observed at the present time ...

  8. Self-indication assumption doomsday argument rebuttal

    en.wikipedia.org/wiki/Self-Indication_Assumption...

    The self-indication assumption doomsday argument rebuttal is an objection to the doomsday argument (that there is only a 5% chance of more than twenty times the historic number of humans ever being born) by arguing that the chance of being born is not one, but is an increasing function of the number of people who will be born.

  9. Cascade effect - Wikipedia

    en.wikipedia.org/wiki/Cascade_effect

    fault tree. A cascade effect is an inevitable and sometimes unforeseen chain of events due to an act affecting a system. [1] If there is a possibility that the cascade effect will have a negative impact on the system, it is possible to analyze the effects with a consequence / impact analysis.