Beyond calories: climate-change threats to food safety and nutrition in UK food systems debate

Summary

This policy debate examines compounding climate-change threats to UK food safety and nutrition that extend beyond simple calorie availability. It argues that environmental hazards interact synergistically to amplify microbial and toxicological risks whilst simultaneously diluting micronutrient density in staple crops, challenging existing single-hazard risk assessment models. The authors propose three actionable governance reforms: integration of climate-hazard tiering into routine food safety assessments, deployment of predictive analytics to forecast crises, and expansion of national risk registers to encompass nutrient security alongside food-borne disease.

Regional applicability

The study is conducted within the United Kingdom context and directly addresses UK food governance, making findings directly applicable to UK policy and practice. The recommendations target UK food-safety and nutrition governance frameworks, though the underlying climate and food-system mechanisms have relevance to other temperate regions.

Key measures

Climate hazard interactions; microbial growth and mycotoxin drivers; micronutrient content of staple crops; compound stressor effects on health outcomes and trade systems; food governance frameworks

Outcomes reported

The paper examines how climate change compounds threats to food safety and nutritional quality in UK food systems, identifying interactions between environmental hazards (heat, humidity, drought, flooding, elevated CO₂) that amplify microbial growth, mycotoxin outbreaks, pest introduction and micronutrient dilution. It recommends policy and governance reforms including climate-hazard tiering in food safety checks, revised dietary guidelines, predictive analytics deployment, and expansion of risk registers.

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