Between farm and table, our food lives in refrigerators. Frostbite: How Refrigeration Changed Our Food, Our Planet, and Ourselves by Nicola Twilleyis an investigation of this cold chain. It spans warehouses, trucks, shipping containers, display containers and domestic fridges. Mechanical cooling was only commercialised in late 1800s, and domesticated in 1920s. The artificial cryosphere, the vast synthetic winter we’ve built to preserve our food, has obvious benefits, and dangerous costs. Mechanical cooling is one of the leading culprits of global warming.

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