Ifpri Research And Engagement Climate Change And Agrifood Systems

Climate change poses unprecedented challenges to the world’s food systems. Rising temperatures, changing rainfall patterns, and more frequent extreme weather events threaten agricultural production and the biodiversity and ecosystem services that underpin agriculture. Within food systems, climate change affects processing, storage, transport, and retailing of food and affects our food environments. These growing climate risks impact food security, nutrition, and human health, as well as equity and livelihoods, with poor food producers and consumers hit hardest. They make food systems a riskier source of income and reduce the availability of food — worsening poverty and inequity, disrupting livelihoods, and contributing to hunger and malnutrition. At the same time, food systems are failing to provide healthy diets for all, and are generating one-third of human-caused greenhouse gases. Solutions must address this complex nexus of problems. Climate change adaptation and resilience-building efforts for food systems must be accelerated to reverse growing malnutrition, ensure that all people can access healthy diets, and provide sustainable livelihoods. At the same time, efforts to transform food systems work to reduce their environmental footprint. Farmers and small businesses along food value chains in low- and middle-income countries will have to adapt their practices to a climate marked by extreme weather events and changing seasonal patterns in order to meet growing and changing food demand, while also contributing to mitigation. Support for this critical transformation requires not only the development, dissemination, and adoption of appropriate low-emissions, climate-smart technologies and practices, but also a focus on the policies, institutions, governance, and behavior change that can promote sustainable, inclusive food systems.

This report assesses the cost of adaptation to climate change across a range of future climate scenarios and investment options. We focus on offsetting climate change impacts on hunger through investment in agricultural research, water management, and rural infrastructure in developing countries. We link climate, crop, water, and economic models to (1) analyze scenarios of future change in the agriculture sector to 2050 and (2) assess trade-offs for these investments across key Sustainable Development Goals (SDGs) for poverty, hunger, and water. Our reference projections show that climate change slows progress toward eliminating hunger, with an additional 78 million people facing chronic hunger in 2050 relative to a no-climate-change future, over half of them in Africa south of the Sahara. Increased investments can offset these impacts. Achieving this would require that annual investment in international agricultural research increase from US$1.62 billion to US$2.77 billion per year between 2015 and 2050. Additional water and infrastructure investments are estimated to be more expensive than agricultural R&D at about US$12.7 billion and US$10.8 billion per year, respectively, but these address key gaps to support transformation toward food system resiliency. Findings on ranges of costs and trade-offs and complementarities across SDGs will help policymakers make better-informed choices between alternative investment strategies.

Forthcoming

The purpose of the paper is to identify how climate change affects how we should approach the process of transforming agricultural systems (including crops, livestock, fisheries and forestry) to support global food security and poverty reduction in a sustainable way. We also identify implications for FAO (Food and Agriculture Organization of the United Nations) and CGIAR priorities.

An authoritative reference on food system transformation and how it can be achieved in the face of climate change.

IFPRI’s 2021 Annual Report presents highlights from our research work around the world. Cutting-edge research on the impacts of the COVID-19 pandemic and related policies, and on our strategic research areas—climate resilience and sustainability, healthy diets and nutrition, inclusive and efficient food systems, institutions and governance, and rural transformation, as well as cross-cutting work on gender—is helping to inform policies and programs to end hunger and malnutrition.