For more than 50 years, intensively reared animals have been the main source of protein for consumers worldwide, and a major ingredient for multi-billion-dollar brands like Burger King, McDonald’s and KFC. However, the success of today’s dominant industrialised system of livestock and fish production has come at a cost. The industry is a key driver of antibiotic resistance and is the world’s largest user of freshwater resources. It is also the primary cause of deforestation,