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Background <p>Climate change significantly threatens food and nutrition security, particularly among vulnerable populations in Sub-Saharan Africa (SSA). Although innovations in climate-smart agriculture (CSA) and policy interventions show promise, evidence linking these approaches to nutrition outcomes remains fragmented. This review synthesizes evidence on how climate-resilient agricultural innovations and supportive policy frameworks enhance food and nutrition security among smallholder farmers, women, and children.</p> Methods <p>A systematic search of peer-reviewed literature (2013—2024) was conducted using Web of Science and Google Scholar. Inclusion followed PICOS with an a priori geographic restriction to SSA. Twenty-two empirical studies meeting eligibility criteria were included. Data extraction focused on interventions, populations, outcomes, enablers/barriers, and nutrition-related impacts, followed by a narrative synthesis.</p> Results <p>CSA practices such as conservation agriculture, agroecology, crop diversification, and small-scale irrigation consistently improved dietary diversity, household food security, and economic resilience. Policy instruments like seed subsidies and nutrition-sensitive agriculture programs amplified outcomes when implemented through gender-responsive, multi-sectoral strategies. However, success was moderated by structural inequalities, resource access, and weak policy coherence. Regional differences were notable, with stronger impacts reported in West Africa.</p> Conclusion <p>Integrated, gender-inclusive, and climate-resilient food system approaches are pivotal for advancing SDG 2 (Zero Hunger) and SDG 13 (Climate Action) in SSA. Future research must prioritize longitudinal, nutrition-sensitive evaluations across underrepresented populations and geographies.</p>

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Climate-resilient food systems for nutrition security in Sub-Saharan Africa: innovations in sustainable agriculture and policy for vulnerable populations

  • 期刊论文

  • 发表日期：

    2025年10月29日

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  • Chinelo U. Okoye,
  • Adaeze C. Ani,
  • Chiamaka O. Enechi,
  • Uju M. Onuorah,
  • Sunday Akingbemisola,
  • Adefemi Abidola

摘要

Background

Climate change significantly threatens food and nutrition security, particularly among vulnerable populations in Sub-Saharan Africa (SSA). Although innovations in climate-smart agriculture (CSA) and policy interventions show promise, evidence linking these approaches to nutrition outcomes remains fragmented. This review synthesizes evidence on how climate-resilient agricultural innovations and supportive policy frameworks enhance food and nutrition security among smallholder farmers, women, and children.

Methods

A systematic search of peer-reviewed literature (2013—2024) was conducted using Web of Science and Google Scholar. Inclusion followed PICOS with an a priori geographic restriction to SSA. Twenty-two empirical studies meeting eligibility criteria were included. Data extraction focused on interventions, populations, outcomes, enablers/barriers, and nutrition-related impacts, followed by a narrative synthesis.

Results

CSA practices such as conservation agriculture, agroecology, crop diversification, and small-scale irrigation consistently improved dietary diversity, household food security, and economic resilience. Policy instruments like seed subsidies and nutrition-sensitive agriculture programs amplified outcomes when implemented through gender-responsive, multi-sectoral strategies. However, success was moderated by structural inequalities, resource access, and weak policy coherence. Regional differences were notable, with stronger impacts reported in West Africa.

Conclusion

Integrated, gender-inclusive, and climate-resilient food system approaches are pivotal for advancing SDG 2 (Zero Hunger) and SDG 13 (Climate Action) in SSA. Future research must prioritize longitudinal, nutrition-sensitive evaluations across underrepresented populations and geographies.