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As fall armyworm continues to spread across Africa, policymakers and development partners have increased their efforts to stop the pest’s reach and to mitigate its impact on the region’s agricultural production and food security.

Variable rainfall could negatively impact agricultural production in southern Africa, according to reports from FEWS Net and the SADC’s Food Security Early Warning System (Agromet).

Food security has long been a development goal in Africa south of the Sahara, as well as in other developing regions. However, in recent years, it has become increasingly recognized that basic food security – simply having enough food to eat – is not enough to ensure long-term, sustainable growth and development. Rather, nutrition security – having enough high-quality, nutrient-dense food to eat – is needed to improve health outcomes, drive economic growth, and end hunger in all its forms.

This post originally appeared on the IFPRI.org blog .

B Andrew Reid Bell, Patrick Ward, Lawrence Mapemba, Tim Benton, Klaus Droppelmann, Jennifer Zavaleta Cheek, Frazer Mataya, and Oliver Pierson

As climate change continues to bring more frequent weather shocks, such as drought and flooding, and make rainfall patterns more erratic, smallholder farmers in developing regions like Africa south of the Sahara are often hardest hit. A new e-book from IRIN reports that mean temperatures in the region are expected to rise faster than the global average, leading to reduced agricultural yields and increased poverty and food insecurity.