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Structural approaches to modeling the impact of climate change and adaptation technologies on crop yields and food security

Posted by on 2021-12-23

Achieving and maintaining global food security is challenged by changes in population, income, and climate, among other drivers. Assessing these threats and weighing possible solutions requires a robust multidisciplinary approach. One such approach integrates biophysical modeling with economic modeling to explore the combined effects of climate stresses and future socioeconomic…

The International Model for Policy Analysis of Agricultural Commodities and Trade (IMPACT): Model description for version 3

Posted by on 2021-12-23

The International Food Policy Research Institute’s International Model for Policy Analysis of Agricultural Commodities and Trade (IMPACT) supports analysis of long-term challenges and opportunities for food, agriculture, and natural resources at global and regional scales. IMPACT is continually being updated and improved to better inform the choices that decisionmakers face…

Food security in a world of natural resource scarcity: the role of agricultural technologies

Posted by on 2021-12-23

The world’s population is expected to reach 9 billion by 2050. Climate change, population, and income growth will drive food demand in the coming decades. Baseline scenarios show food prices for maize, rice, and wheat would significantly increase between 2005 and 2050, and the number of people at risk of…

Climate change and eastern Africa: a review of impact on major crops

Posted by on 2021-12-23

Global warming has become one of the major challenges in maintaining global food security. This paper reviews the impacts of climate change on fourteen strategic crops for eight sub-Saharan Africa countries. Climate change is projected to increase median temperature by 1.4–5.5°C and median precipitation by −2% to 20% by the…

Climate Change and Its Repercussions for the Potato Supply Chain

Posted by on 2021-12-23

Since the onset of the industrial revolution, in 1750, the concentration of carbon dioxide rose from 290 to 380 parts per million. Especially during the last decennia, the effects of increased greenhouse gases concentrations are being felt. The last 14 years worldwide contained the warmest 13 years since weather recording…

Can sub-Saharan Africa feed itself?

Posted by on 2021-12-23

Although global food demand is expected to increase 60% by 2050 compared with 2005/2007, the rise will be much greater in sub-Saharan Africa (SSA). Indeed, SSA is the region at greatest food security risk because by 2050 its population will increase 2.5-fold and demand for cereals approximately triple, whereas current…