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Against a milieu of fragmented research that documents indigenous practices related to food security, and the heterogeneous settings from which the studies have been conducted, this study aims to synthesize the evidence of indigenous knowledge-food security nexus to strengthen the call for the revitalization of indigenous knowledge (IK) as part of the mechanisms to manage food security challenges being aggravated by climate change.

Drawing on insights from sub-Saharan Africa (SSA), this study reviews 122 articles accessed from the Web of Science and Scopus databases, which covered indigenous methods used for producing, gathering, processing, preserving and storing diverse food sources that indigenous people deploy in securing their food systems.

The surge in attention to focus on IK-food security nexus tends to be influenced by the growing acknowledgement of climate change impacts on food systems. Essentially, the IK-based practices adopted address all the four food security pillars that are specified by the Food and Agricultural Organization (FAO) as availability, accessibility, utilization and stability. The main motivation behind the continued use of IK-based ways relates largely to the interest to be food secure against climatic shocks and partly to the desire to maintain people’s food cultures and food sovereignty.

This study deploys the food security pillars provided by the FAO (2012) to demonstrate that IK-based ways of food management are capable of addressing all the four food security dimensions, a critical observation toward revitalizing IK in managing growing food security challenges that are intensified by climate change in SSA.

The purpose of this study is to discuss how enhancing the role of local institutions (LI) and incorporating indigenous knowledge (IK) in climate change adaptation planning can improve adoption and scaling success of climate-smart agriculture innovations.

A review of relevant literature from sub-Saharan Africa was used to answer the study research questions.

Embracing IK and LI in climate change adaptation projects can enhance adoption and scaling success of climate-smart agriculture innovations in smallholder farming. Such efforts will improve: information gathering and dissemination, mobilization of resources, establishment of useful networks with relevant stakeholders, capacity building farmers on various fronts and provision of leadership in climate adaptation programs.

Fully embracing IK and LI can improve the scaling of climate-smart innovations only if development partners recognize IK systems that are to be transformed and build on them instead of trying to replace them. Also, participatory approaches in scaling innovations will enhance input from rural people in climate change adaptation programs.

Development interventions aimed at taking proven effective climate-smart innovations to scale must, therefore, engage local communities and their indigenous institutions as active stakeholders in designing, planning and implementation of their climate adaptation programs.

Knowledge sharing for evidence-based climate change adaptation is key to reducing vulnerabilities. The disastrous effects of the recent tropical cyclone Idai in Zimbabwe’s eastern highlands, whereby lives and livelihoods were destroyed, calls for fundamental rethinking on how knowledge sharing can be useful in reducing vulnerabilities. This study aims to examine how knowledge sharing practices among selected climate action organisations can support positive results in evidence-based climate change adaptation in Zimbabwe and recommends a strategy to enhance knowledge sharing for evidence-based climate change adaptation.

The researcher opted for a qualitative research methodology, and interviews were conducted with research participants to get in-depth information. The target population for the research is drawn from three climate change organisations in Zimbabwe. These participants were chosen because of their direct involvement in climate change adaptation and mitigation. Purposive sampling was used because it was considered an easy and informal method to reach the target population. The responses were coded and readied for analysis. Categories for analysis were also determined and described. The next section focuses on the presentation and interpretation of the responses.

The study found out that even though there is evidence of knowledge sharing in the selected organisations, there was a need for a strategy that integrates the efforts of all climate action organisation to realise successful climate change adaptation. Successful climate change adaptation requires an integrative force in the form of a strategy that supports knowledge sharing. The strategy breaks the silo mode of operation by bringing together all stakeholders through knowledge sharing.

The research study was unique to the Zimbabwean climate change and adaptation context and only a purposive sampling of participants representing three climate change action was feasible.

The proposed model will enhance knowledge sharing among climate change and adaptation organisations in Zimbabwe. It will transform knowledge management practices among climate change organisations in Zimbabwe.

The study recommends a knowledge sharing strategy that can be useful in supporting climate change adaptation. The model will support decision-making by providing access to shareable information on climate change. The proposed knowledge sharing strategy integrates the efforts of all stakeholders, including communities, government and academia, among many. The study proposes an original model for climate change adaptation for Zimbabwe.