This is episode 4 of a six-part series on food imperialism. Welcome to Edible Empire, a podcast by Planet Pulse Pacific about the hidden cost of our food.
We celebrate flavours, but rarely the people behind them. This podcast uncovers how food—once shaped by empire and now by corporate power—has long been used to control land, labour, and cultures.
This episode explores the hidden links between salmon farming in northern Europe and tomato production in southern Spain, revealing the human and environmental costs behind cheap, year-round food.
What connects salmon farming in northern Europe with tomato farming in southern Spain? These two, seemingly distinct food supply chains ensure that our supermarket shelves are stocked with cheap, year-round food. What we don’t see, however, are the hidden links - the overfishing along the coast of West Africa that destroys local communities’ livelihoods and drives migration to Europe; the dangerous journeys by small boat where 1 in 5 people die; the entrapment of migrants arriving in exploitative agricultural labour in Spain’s intensive greenhouses. This episode examines the story of salmon farming and tomato greenhouses - and highlights the hidden costs of commodified food.
This episode uncovers the destructive and interconnected global supply chains linking northern European salmon aquaculture to southern Spanish greenhouse agriculture. Through interviews with four expert guests, the episode traces how the booming Norwegian salmon farming industry relies heavily on wild-caught ocean feed extracted from West Africa.
Investigative journalists Simen Sætre, Hazel Healy, and Brigitte Wear expose the ecological crises, corporate opacity, and false sustainability narratives surrounding aquaculture, whilst Dr Aliou Ba of Greenpeace Africa details how this industrial plundering has collapsed local artisanal fisheries and triggered a profound food security crisis in Senegal. This environmental degradation ultimately forces thousands of displaced West Africans to undertake a perilous sea voyage to Spain, where researcher María Alonso Martínez reveals they are heavily exploited as undocumented migrant labourers, working under inhumane conditions within Almería’s vast "Sea of Plastic" to harvest the cheap winter vegetables that stock European supermarket shelves.
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