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US food security and climate change: Agricultural futures

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  • Takle, Eugene S.
  • Gustafson, David
  • Beachy, Roger
  • Neslon, Gerald C.
  • Mason-D'Croz, Daniel
  • Palazzo, Amanda

Abstract

Agreement is developing among agricultural scientists on the emerging inability of agriculture to meet growing global food demands. Changes in trends of weather conditions projected by global climate models will challenge physiological limits of crops and exacerbate the global food challenge by 2050. These climate- and constraint-driven crop production challenges are interconnected within a complex global economy, where diverse factors add to price volatility and food scarcity. Our scenarios of the impact of climate change on food security through 2050 for internationally traded crops show that climate change does not threaten near-term US food security due to the availability of adaptation strategies. However, as climate continues to change beyond 2050 current adaptation measures will not be sufficient to meet growing food demand. Climate scenarios for higher-level carbon emissions exacerbate the food shortfall, although uncertainty in projections of future precipitation is a limitation to impact studies.

Suggested Citation

  • Takle, Eugene S. & Gustafson, David & Beachy, Roger & Neslon, Gerald C. & Mason-D'Croz, Daniel & Palazzo, Amanda, 2013. "US food security and climate change: Agricultural futures," Economics - The Open-Access, Open-Assessment E-Journal (2007-2020), Kiel Institute for the World Economy (IfW Kiel), vol. 7, pages 1-41.
    • Handle: RePEc:zbw:ifweej:201334
    DOI: 10.5018/economics-ejournal.ja.2013-34
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    References listed on IDEAS

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    1. You, Liangzhi & Wood, Stanley, 2006. "An entropy approach to spatial disaggregation of agricultural production," Agricultural Systems, Elsevier, vol. 90(1-3), pages 329-347, October.
    2. Xuebin Zhang & Francis W. Zwiers & Gabriele C. Hegerl & F. Hugo Lambert & Nathan P. Gillett & Susan Solomon & Peter A. Stott & Toru Nozawa, 2007. "Detection of human influence on twentieth-century precipitation trends," Nature, Nature, vol. 448(7152), pages 461-465, July.
    3. Nelson, Gerald C. & Rosegrant, Mark W. & Palazzo, Amanda & Gray, Ian & Ingersoll, Christina & Robertson, Richard & Tokgoz, Simla & Zhu, Tingju & Sulser, Timothy B. & Ringler, Claudia & Msangi, Siwa & , 2010. "Food security, farming, and climate change to 2050: Scenarios, results, policy options," Research reports Gerald C. Nelson, et al., International Food Policy Research Institute (IFPRI).
    4. Malcolm, Scott A. & Marshall, Elizabeth P. & Aillery, Marcel P. & Heisey, Paul W. & Livingston, Michael J. & Day-Rubenstein, Kelly A., 2012. "Agricultural Adaptation to a Changing Climate: Economic and Environmental Implications Vary by U.S. Region," Economic Research Report 127734, United States Department of Agriculture, Economic Research Service.
    5. Marshall Burke & John Dykema & David Lobell & Edward Miguel & Shanker Satyanath, 2011. "Incorporating Climate Uncertainty into Estimates of Climate Change Impacts, with Applications to U.S. and African Agriculture," NBER Working Papers 17092, National Bureau of Economic Research, Inc.
    6. You, Liangzhi & Wood, Stanley & Wood-Sichra, Ulrike, 2007. "Generating plausible crop distribution and performance maps for Sub-Saharan Africa using a spatially disaggregated data fusion and optimization approach:," IFPRI discussion papers 725, International Food Policy Research Institute (IFPRI).
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    Cited by:

    1. Wallace E. Huffman & Yu Jin & Zheng Xu, 2018. "The economic impacts of technology and climate change: New evidence from U.S. corn yields," Agricultural Economics, International Association of Agricultural Economists, vol. 49(4), pages 463-479, July.

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    More about this item

    Keywords

    climate change; food security; crop production; United States;
    All these keywords.

    JEL classification:

    • Q17 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Agriculture - - - Agriculture in International Trade
    • Q54 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Environmental Economics - - - Climate; Natural Disasters and their Management; Global Warming

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