Researchers in North Yorkshire feel the clock ticking as they aim to transform British food production

It has the vibe of a Bond villain’s underground lair but the workers in hi-vis and helmets aren’t weighing and packing hard drugs or parts for a death laser. It’s pak choi and lettuce.

More than 1,000 metres down, researchers in North Yorkshire have created the world’s deepest underground farm and are running trials for a project that could transform UK food production.