Climate change is not just about the environment; it also poses a significant threat to global food security. Over the past several years, many reports and scientific articles have offered guidance to policymakers on how climate change is likely to affect food production, nutrition, and health. However, according to a recent article published in the journal Nature, these publications paint an incomplete and overly optimistic picture of the threat that anthropogenic environmental change poses to food security. The article outlines several key issues, including the omission of biophysical changes from most models, large inherent uncertainty in climate models, the averaging out of short-term volatility, and non-linear interactions. The article stresses the implications of underestimating the risks to food security and the urgent need for policymakers to act.