To avert the converging human health and ecologic crises, the vicious cycle that afflicts the global food system must be urgently broken. Planetary health approach to fixing the food system 5 And while the food system is vulnerable to climate change, it is also contributing to the destruction of the planet through carbon emissions, biodiversity loss, and pollution to air, land, and water. 4 Food’s limited accessibility and affordability for large groups of people in certain regions and population segments around the world also leads to hunger and undernutrition. Today’s food system is generating many products that improve health and nutrition worldwide, but it is also a source of unhealthy products such as ultra-processed foods that exacerbate the global burden of obesity, diabetes, and other non-communicable diseases. 3Īt the same time as food is shaped by large scale social and environmental change, the way it is produced also contributes to the interlocking crises that affect it. However, the damaging effects of climate change on nutrition and the food system are distributed unevenly, influenced by differentiated geographic and social vulnerabilities. 2 In the backdrop is an evolving climate emergency that is already beginning to negatively affect food production, availability, affordability, and diversity across the globe. 1 These crises have shown that today’s global food system is far from resistant to shocks and stresses its disturbance exacerbates already limited access, widens existing inequalities, and ultimately worsens nutritional status worldwide. It is also a vital resource that is susceptible to social and environmental change, as shown by supply chain disruptions and price increases driven not only by the covid-19 pandemic and the war in Ukraine but by protracted crises in regions such as Africa, where massive food insecurities have been largely ignored for decades.
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