Summary
This policy-analytical framework, derived from the broader Blue Food Assessment, translates multidimensional evidence on aquatic food systems into four geographically contextualised policy objectives. The authors demonstrate that blue foods' contributions to nutrition, health, livelihoods and environmental sustainability vary substantially by national context: in many African and South American nations, increased blue food consumption could address micronutrient deficiencies, whilst in global North nations, moderate seafood consumption could reduce ruminant meat-related cardiovascular disease and emissions. The framework identifies countries at high climate adaptation risk and provides decision-makers with tools to evaluate policy priorities and associated trade-offs.
UK applicability
For the United Kingdom, the framework's findings on using low-impact seafood to displace high-emission ruminant meat and reduce cardiovascular disease prevalence are directly applicable. The UK's existing seafood consumption patterns and established aquaculture systems position it within the 'global North' context where the authors identify potential health and environmental benefits from dietary shift.
Key measures
Nutritional contributions (B12, omega-3 content), environmental impacts (greenhouse gas emissions, land and water use), economic value, justice considerations, climate adaptation risk, cardiovascular disease reduction potential, dietary environmental footprints
Outcomes reported
The study assessed nutritional, environmental, economic and justice dimensions of blue foods globally and developed an analytical framework identifying four policy objectives: ensuring critical nutrient supplies, providing healthy alternatives to terrestrial meat, reducing dietary environmental footprints, and safeguarding blue food contributions under climate change. It evaluated the relevance and trade-offs of these objectives across individual countries.
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