Dozens of new nuclear power projects are planned across the world, amid efforts to reduce the use of fossil fuels. But why build more reactors when renewable sources of generating electricity, like wind and solar might be cheaper?

We explore why countries are turning - or returning - to nuclear fission, notably Japan, which dealt with a meltdown at its Fukushima plant in 2011. And we look at how Germany’s decision to close all of its reactors has caused problems for the country’s economy.

We also learn how Amazon, Google and Microsoft are investing in nuclear power, with plans to use smaller modular reactors to run data storage centres in the United States, as demand for electricity is expected to surge when artificial intelligence is running at full capacity.

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Presented and produced by Russell Padmore

(Pictures: A photo taken on November 6, 2024, shows the construction site of Units 7 and 8 of Tianwan Nuclear Power Plant in Lianyungang, China. Credit: Getty Images)