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The main long-term effect is through global climate change, which reduces the temperature globally by about 5–15 °C for a decade, together with the direct effects of the deposits of ash on their crops. A large supervolcano like Toba would deposit one or two meters thickness of ash over an area of several million square kilometers.
Social impact assessment (SIA) is a methodology to review the social effects of infrastructure projects and other development interventions. Although SIA is usually applied to planned interventions, the same techniques can be used to evaluate the social impact of unplanned events, for example, disasters, demographic change, and epidemics.
Therefore, existential risks pose unique challenges to prediction, even more than other long-term events, because of observation selection effects. [27] Unlike with most events, the failure of a complete extinction event to occur in the past is not evidence against their likelihood in the future, because every world that has experienced such an ...
Environmental disasters show how the impact of humans' alteration of the land has led to widespread and/or long-lasting consequences. [3] These disasters have included deaths of wildlife, humans and plants, or severe disruption of human life or health, possibly requiring migration. [4] Some environmental disasters are the trigger source of more ...
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 ...
The literature analysis draws on over 1,000 published titles and over 5,000 internet and printed publications discussing the consequences of the Chernobyl disaster. The authors contend that those publications and papers were written by Eastern European authorities and have been downplayed or ignored by the IAEA and UNSCEAR. [ 119 ]
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Many studies in the field of sociology of disaster focus on the link between social solidarity and the vulnerabilities exposed by disasters. Scholarship in this field has observed how such events can produce both social solidarity [5] [6] and social conflict, [7] [8] and more importantly, expose inequalities inherent in the social order by exponentially exacerbating its effects.