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Hasegawa, T. [Author]; Fujimori, S. [Author]; Havlik, P. [Author]; Valin, H. [Author]; Bodirsky, B. [Author]; Doelman, J. [Author]; Fellmann, T. [Author]; Kyle, P. [Author]; Koopman, J. [Author]; Lotze-Campen, H. [Author]; Mason D'Croz, D. [Author]; Ochi, Y. [Author]; Perez Dominguez, I. [Author]; Stehfest, E. [Author]; Sulser, T. [Author]; Tabeau, A. [Author]; Takahashi, K. [Author]; Takakura, J. [Author]; van Mejl, H. [Author]; Zeist, W. [Author]; Wiebe, K. [Author]; Witzke, P. [Author]

Risk of increased food insecurity under stringent global climate change mitigation policy

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  • Media type: E-Article
  • Title: Risk of increased food insecurity under stringent global climate change mitigation policy
  • Contributor: Hasegawa, T. [Author]; Fujimori, S. [Author]; Havlik, P. [Author]; Valin, H. [Author]; Bodirsky, B. [Author]; Doelman, J. [Author]; Fellmann, T. [Author]; Kyle, P. [Author]; Koopman, J. [Author]; Lotze-Campen, H. [Author]; Mason D'Croz, D. [Author]; Ochi, Y. [Author]; Perez Dominguez, I. [Author]; Stehfest, E. [Author]; Sulser, T. [Author]; Tabeau, A. [Author]; Takahashi, K. [Author]; Takakura, J. [Author]; van Mejl, H. [Author]; Zeist, W. [Author]; Wiebe, K. [Author]; Witzke, P. [Author]
  • Published: Publication Database PIK (Potsdam Institute for Climate Impact Research), 2018
  • Published in: Nature Climate Change
  • Language: Not determined
  • DOI: https://doi.org/10.1038/s41558-018-0230-x
  • Origination:
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  • Description: Food insecurity can be directly exacerbated by climate change due to crop-production-related impacts of warmer and drier conditions that are expected in important agricultural regions1,2,3. However, efforts to mitigate climate change through comprehensive, economy-wide GHG emissions reductions may also negatively affect food security, due to indirect impacts on prices and supplies of key agricultural commodities4,5,6. Here we conduct a multiple model assessment on the combined effects of climate change and climate mitigation efforts on agricultural commodity prices, dietary energy availability and the population at risk of hunger. A robust finding is that by 2050, stringent climate mitigation policy, if implemented evenly across all sectors and regions, would have a greater negative impact on global hunger and food consumption than the direct impacts of climate change. The negative impacts would be most prevalent in vulnerable, low-income regions such as sub-Saharan Africa and South Asia, where food security problems are already acute.
  • Access State: Open Access