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Human-caused climate change has been driven by technology since the 19th century or earlier. Projections of future climate change suggest further global warming, sea level rise , and an increase in the frequency and severity of some extreme weather events and weather-related disasters.
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] An event that could cause human extinction or permanently and drastically curtail humanity's existence or potential is known as an " existential risk ".
[a] For a person in a crowd a signal of danger, and a warning to get out of the crowd if possible, is the sensation of being touched on all four sides. A later, more serious, warning is when one feels shock waves travelling through the crowd, due to people at the back pushing forward against people at the front with nowhere to go. [ 21 ]
Watching a concert or a sports event alongside thousands of other people can be both exhilarating and dangerous, and researchers now have new theories about how people behave when they get too ...
On this day in economic and business history ... Victory Over Japan Day, popularly known as V-J Day, marks the surrender of Japan and the end of World War II on Sept. 2, 1945. The six years (and ...
A natural El Nino, human-caused climate change, a stubborn heat dome over the nation’s midsection and other factors cooked up Tropical Storm Hilary’s record-breaking slosh into California and ...
In the event of a nuclear attack, a human body can be irradiated by at least three processes. The first, and most significant, cause of burns is thermal radiation and not caused by ionizing radiation. Thermal burns from infrared heat radiation, these would be the most common burn type experienced by people.
Overpressure (or blast overpressure) is the pressure caused by a shock wave over and above normal atmospheric pressure. The shock wave may be caused by sonic boom or by explosion, and the resulting overpressure receives particular attention when measuring the effects of nuclear weapons or thermobaric bombs.