The Fukushima nuclear disaster occurred as a result of the tsunami. The earthquake measuring 9.0 on the Richter scale did not cause any direct damage to the nuclear installation.

The Fukushima nuclear reactor was (according to various reports) designed after taking into consideration the frequency and strength of earthquakes and tsunamis in the region. The strength of the earthquake and the impacts of the tsunami were substantially more than what was taken into consideration at the drawing board. The point at issue is whether, in view of the possible (and eventual) impacts resulting from a failure of the reactor’s cooling systems, the risk taken as a result of the design assumptions was justified.

After the Fukushima happenings, German Chancellor Angela Merkel changed her opinion on nuclear energy turning around 180 degrees in the space of a few months.

The European Commissioner for Energy, Günther Oettinger, former CDU Minister President of the German land of Baden-Württemberg, stated in an interview with Der Spiegel International that “Fukushima has made me start to doubt”. He added: “when Chernobyl happened, we in the west were comforted by the fact that it was the result of outdated Soviet technology and human error. But I have nothing but respect for Japan’s abilities when it comes to industry and technology. That’s why Fukushima has been such a turning point for me. It has made me start to doubt. If the Japanese cannot master this technology, then nuclear energy conceals risks I didn’t see before.”

That says it all. The Fukushima nuclear incident is the direct result of the “risk society”, which acts on the basis of the probability of a particular event happening.

Notwithstanding advances in technology and human knowledge, there will always be an unresolved element of risk when adopting technological solutions to cater for human needs. The risk can be reduced but it will never be eliminated. As Dr Oettinger himself states, at the end of the day, in the case of a nuclear power plant, faced with the residual risk, “either you accept this residual risk or you shut down”.

To date, various governments took the risk. After Fukushima, a number are coming to their senses and are adopting the option to shut down. After the recent thrashing at the polls, Chancellor Merkel’s CDU too has changed course and has reluctantly started moving towards adopting a “green” nuclear policy!

There have been four major nuclear disasters since the late 1950s. The first took place in Windscale UK in 1957; the second at Harrisburg US (Three Mile Island) in 1979; the third occurred at Chernobyl, Ukraine in 1986 and Fukushima was the fourth.