In this episode of Nutrition Science Bites Prof Clare Collins talks with Dr Liza Barbour about food waste and food loss, especial in regard to sustainability. Dr Liza explains where food loss and waste occur, from the production to what happens at the retail and household levels. Dr Liza shares alarming statistics about food waste in Australia, where millions of tons are wasted annually, and emphasizes the need for consumer awareness and behavioral change to address this. We explore the economic and environmental implications of food waste and importance of understanding food systems and health implications. Practical strategies for minimizing food waste at home are shared, including meal planning, creative use of leftovers, and innovative recipes. The discussion highlights the major financial impact of food waste on households and urges listeners to adopt sustainable practices in their daily lives.