Food loss and waste is a major challenge globally, and in north america an estimated 30 to 40 per cent of the food available for human consumption is. Webthe report examines how life cycle thinking and methodologies can help decision makers prioritize policies and interventions through better estimates of the. Webin this model, by reducing demand for new raw material extraction and processing, waste is decreased. But, despite how much waste we eliminate, with a growing population and.