Behind an airtight door, inside a warehouse 10 minutes walk from Bristol city centre, shelves of vibrant chives sprout enthusiastically towards a sky of multicoloured LEDs. The air they are transpiring smells earthy, despite the absence of soil, while a mechanical hum provides a soothing substitute for birdsong.
Welcome to the future of farming, where herbs, salads and soft fruits are grown year-round, in vast, indoor plant factories.
