Dr. Lindiwe Majele Sibanda, chair of global food security research network CGIAR, on adapting agriculture for climate and food security.

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Global agriculture changed dramatically during the 20th century as small, traditional farms were replaced by large-scale, monoculture farming in many parts of the world. This shift led to a dramatic increase in food production, helping to feed a global population that today exceeds 8 billion.

Yet the revolution in agriculture has created a new set of challenges. Modern farming is more resource-intensive than ever, requiring substantial investments in machinery and a heavy reliance on chemical inputs like synthetic fertilizers and pesticides. These shifts have introduced new economic risks for farmers, who can struggle to keep up with rising input costs and volatile markets. Meanwhile, the widespread cultivation of bulk cash crops has often come at the expense of soil health, crop diversity, and the nutritional quality of the food we grow and consume.

On the podcast, Dr. Lindiwe Majele Sibanda—professor of agriculture at the University of Pretoria in South Africa, cattle farmer in Zimbabwe, and board chair of the Consultative Group on International Agricultural Research (CGIAR)—discusses current efforts to make agriculture more resilient and sustainable. These include the revival of traditional crops, regenerative soil management techniques, and innovations aimed at reducing reliance on fossil fuels. Sibanda also examines how such practices can support environmental and climate goals while improving farmer livelihoods and strengthening long-term food security.

Lindiwe Majele Sibanda is board chair of the Consultative Group on International Agricultural Research (CGIAR).

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