After Fukushima independent core cooling became a global requirement that was retrofitted on existing plants. While it is easy to blame the tsunami the regulato

After Fukushima independent core cooling became a global requirement that was retrofitted on existing plants. While it is easy to blame the tsunami the regulators realized the risk was systemic so I would suggest to not be as dismissive next time. As an example: A nuclear reactor in Sweden had a severe incident in 2006 when many of the "defense in depth" layers had been accidentally removed through freak occurrences and upgrades. https://en.wikipedia.org/wiki/Forsmark_Nuclear_Power_Plant#July_2006_incident https://en.wikipedia.org/wiki/Forsmark_Nuclear_Power_Plant#J...