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The Global Effects of Widespread Adoption of Climate Smart Agriculture

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Abstract

Climate Smart Agriculture (CSA) is a relatively new approach to agricultural development that aims at increasing productivity in the agricultural sector under changing climate regimes while reducing greenhouse gas (GHG) emissions. We perform an ex-ante assessment of the effects of widespread adoption of CSA by linking spatially-disaggregated data from three different models and focus on three crops, maize, wheat, and rice, which represent about 41% of the global harvested area and 64 % of GHG emissions generated by crop production. The impact of adoption of selected CSA practices is evaluated against a plausible business-as-usual scenario for the period 2010 2050 under two climate change scenarios. We find that the highest possible impact of the CSA practices considered is to increase global maize and wheat production by about 4%, and global rice production by 9%. These changes lead to a decrease in the number of people at risk of hunger estimated to be between 23 and 40 million worldwide. Average annual reduction of GHG emissions ranges between 44 and 101 Mt CO2 e. While substantial, this reduction is only 4 10% of the estimated global reduction in emissions from the agricultural sector necessary to remain below a 2 C warming. Acknowledgement : We would like to thank Jennifer Lieberman, Daniel Mason-D'Croz, and Keith Wiebe for their help and useful comments. The authors take sole responsibility for the opinions expressed within this article. The authors acknowledge the generous support of the CGIAR Research Program on Policies, Institutions, and Markets (PIM) led by the International Food Policy Research Institute (IFPRI) and funded by CGIAR Fund Donors and the CGIAR Research Program on Climate Change, Agriculture, and Food Security, which is carried out with support from CGIAR Fund Donors and through bilateral funding agreements. For details, please visit https://ccafs.cgiar.org.

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  • De Pinto, A., 2018. "The Global Effects of Widespread Adoption of Climate Smart Agriculture," 2018 Conference, July 28-August 2, 2018, Vancouver, British Columbia 277524, International Association of Agricultural Economists.
    • Handle: RePEc:ags:iaae18:277524
    DOI: 10.22004/ag.econ.277524
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