The machines use a natural aerobic digestion process to break down waste food using a mix of microorganisms, enabling them to process anything that can be consumed by a human.
Additionally, the machines capture non-food items or other materials accidentally mixed with food waste.
Carnival aims for a 30% reduction in food waste by 2022 and a 50% reduction by 2030. A 20% saving relative to 2019 has already been achieved.