Nuclear energy is great till inevitably corners are cut and it all goes wrong. Hint: think Fukushima.
That nightmare will never end. It cannot be simply contained like Chernobyl because it is next to the sea. The true cost of that is unmeasurable.
Ironically , Fukushima actually showed how safe modern day nuclear reactors could be.Considering the devastation wrought by the tsunami it is amazing that major nuclear incident was averted( even more so when people realised how the Japanese were badly prepared for such incident, and the authority's oversight with the Daichi plant).Not saying that it didn't went badly,just far less than the worst case scenario (and the internet hype).
Many people overlooked the fact that the Onagawa nuclear power plant which stood closer to the epicentre of the quake and was also struck by the tsunami without suffering major damages ,which proves how safe a well designed nuclear plant can be.
Besides ,next generation reactors (Thorium reactors e.g) designs are safe enough that catastrophic nuclear disaster(Chernobyl,Three Miles Island)is pretty much physically impossible.Unfortunately these research and projects are hampered by the public anathema towards nuclear power.
