Physicist MV Ramana on why nuclear power is not the solution to world’s energy needs

In his new book, the professor says nuclear is costly, risky and takes too long to scale up. Can he win over converts?

You’d be forgiven for thinking that the debate on nuclear power is pretty much settled. Sure, there are still some naysayers, but most reasonable people have come to realise that in an age of climate crisis, we need low-carbon nuclear energy – alongside wind and solar power – to help us transition away from fossil fuels. In 2016, 400 reactors were operating across 31 countries, with one estimate suggesting roughly the same number in operation in mid-2023, accounting for 9.2% of global commercial gross electricity generation. But what if this optimism were in fact wrong, and nuclear power can never live up to its promise? That is the argument MV Ramana, a physicist, makes in his new book. He says nuclear is costly, dangerous and takes too long to scale up. Nuclear, the work’s title reads, is not the solution.

This wasn’t the book Ramana, a professor at the University of British Columbia, planned to write. The problems with nuclear are so “obvious”, he wagered, they don’t need to be spelled out. But with the guidance of his editor, he realised his mistake. Even in the contemporary environmental movement, which emerged alongside the anti-war and anti-nuclear movements, there are converts. Prominent environmentalists, understandably desperate about the climate crisis, believe it is rational and reasonable to support nuclear power as part of our energy mix.

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