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Welcome to this audio long read from nature.

In this episode, The Chase for Fusion Energy, written by Philip Ball and read by me, Benjamin Thompson.

The ancient village of Cullum, nestled in a bend of the River Thames west of London, seems an unlikely launching pad for the future.

But next year, construction will start here on a gleaming building of glass and steel that could house what many people consider

to be an essential technology to meet demand for clean energy in the 21st century and beyond.

Long derided as a prospect that is forever 30 years away, nuclear fusion

seems finally to be approaching commercial viability. There are now more than 30 private fusion

firms globally, according to an October survey by the Fusion Industry Association in Washington,

D.C., which represents companies in the sector.

The 18 firms that have declared their funding say they have attracted more than 2.4 billion

US dollars in total, almost entirely from private investments.

...