Call for sustainable food systems including (medical) nutrition for hospitalised children and their families

The climate emergency presents a profound threat to global health, adversely affecting the health and well-being of children who are projected to bear a substantial disease burden, as well as impacting children's right to food, water, healthcare and education. The healthcare sector strives to prioritise preventative healthcare policies improving the health of individuals across the life course. However, current healthcare practices significantly contribute to greenhouse gas (GHG) emissions and waste generation, in which (medical) nutrition plays an important role.Plant-based proteins offer sustainability benefits, and potential health advantages, and have a lower climate footprint, although there may also be unintended consequences of land-use change and deforestation for certain crops. However, to develop suitable plant-based alternatives to medical nutrition, it will be necessary to address regulatory obstacles as well as ensure nutritional profiles are suitable, particularly protein (amino acid) and micronutrient composition. Additionally, the development of heat-tolerant and water-efficient plant genotypes could bolster adaptation to changing climatic conditions.Effective waste management, including wasted food and medical nutrition, emerges as a key strategy in mitigating the climate impact of medical nutrition. While research on food waste in healthcare settings is limited, minimising waste spillage in medical nutrition is a crucial area to explore. Healthcare professionals must acknowledge their roles in curbing the climate footprint of medical nutrition as well as recommendations for food-based approaches. This review aims to investigate the sustainability of medical nutrition for paediatric care, focusing on factors contributing to GHG emissions, plant-based alternatives, waste management and plastic packaging. Such an exploration is vital for healthcare professionals to fulfil their responsibilities in addressing the climate crisis while advocating for change.