From supermarket shelves stocked year-round with fresh produce to food arriving from every corner of the globe, this episode explores the complex systems that make modern food supply possible. How the World Works begins with an in-depth look at the global food supply chain and the vast logistics network that connects farms, factories, ships, warehouses, and supermarkets. A key focus of the episode is the cold chain - a specialised refrigerated transport system essential for keeping perishable goods fresh and safe as they travel thousands of miles. Using temperature-controlled containers, this invisible network ensures food remains viable from the moment it is harvested to the moment it reaches your refrigerator. From agriculture to global distribution, Episode 1 reveals the immense coordination required to deliver food efficiently and safely, highlighting the countless people and processes working behind the scenes.