Chernobyl: a monumental cock-up by incompetent morons in charge of a badly designed and badly built scrapheap. With so much cocked up, a disaster was surely inevitable.

Fukushima: a series of cock-ups magnified by one of the world's most destructive tsunamis. This nuclear plant should never have been built where it was, and its old technology should have been decommissioned years ago. Yet the death toll due to the accident is still, what, five?

Three Mile Island: injured fewer people than a single typical high speed road accident.