What is the nature of the evidence base on climate variability and extreme weather impacts on diets and nutritional status among marginalized agri-food system workers and micro, small- and medium-sized enterprises in low- and middle- income countries? : A Protocol for Systematic Evidence and Gap Map

Carducci, B., Conti, C., Hu, Y. C. N., & Moore, M. (2025). What is the nature of the evidence base on climate variability and extreme weather impacts on diets and nutritional status among marginalized agri-food system workers and micro, small, and medium-sized enterprises in low- and middle-income countries? A protocol for systematic evidence and gap map. CGIAR.

While evidence linking climate change to a range of nutrition outcomes is growing, existing reviews are often narrow in scope, geographically limited, or focused on broad vulnerable populations rather than marginalized food system workers and MSMEs specifically. No review to date synthesizes climate-related food and nutrition security impacts on marginalized agri-food system workers and MSMEs with an explicit focus on gender and Indigenous communities. Understanding how climate change affects the diets and nutrition of these groups is critical for building equitable, effective climate adaptation and food system transformation strategies. Women and Indigenous Peoples are not only more exposed to climate-related shocks, but also often hold key knowledge systems and play central roles in household food security and ecosystem stewardship. Overlooking their specific vulnerabilities, capacities, and constraints risks reinforcing inequality and undermining resilience. Therefore, this systematic map aims to fill this knowledge gap by centering these communities –marginalized food system workers and MSMEs – providing an evidence base for equity-focused interventions and ensuring that the needs and voices of those most affected by climate change are reflected in global and national response.