By Isaac Newton Acquah(Dr) The previous discussions delved into the immediate causes that triggered the three major nuclear power accidents: Three Mile Island (TMI), Chernobyl and Fukushima. It was made quite clear that the unprecedented tsunami, which inundated the Fukushima Nuclear Plant and destroyed its cooling systems, was the immediate cause of that nuclear accident. In the case of TMI and Chernobyl, human error lay at the root of those accidents. Although we discussed three major nuclear accidents, there were fatalities in only the Chernobyl accident, where RBMK reactors were used. Furthermore, if the Chernobyl reactor had had a containment building, the consequences could have been significantly limited. The fact that there were no fatalities in the TMI and Fukushima accidents underscore the safety of Light Water Reactors (LWRs) which can be further deduced from Table 1.