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A developing food crisis and potential refugee movements

Nature Sustainabilityvolume 1pages380382 (2018) | Download Citation

At least 30 million people in three African countries and Yemen are experiencing severe food insecurity. To rapidly scale-up international aid, we should acknowledge the systemic risk implied in food insecurity by looking at, for example, potential international refugee movement.

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Acknowledgements

M.J.P. gratefully acknowledges fellowship support from the Columbia University Center for Climate and Life. M.K. acknowledges financial support from the Emil Aaltonen Foundation funded project ‘eat-less-water’, and the Academy of Finland SRC project ‘Winland’. Thanks to L. P. Nissen and T. Hoffine for their insights.

Author information

Affiliations

  1. Center for Climate Systems Research, Columbia University, New York, NY, USA

    • Michael J. Puma
    •  & Yoshihide Wada
  2. Center for Climate and Life, Columbia University, Palisades, NY, USA

    • Michael J. Puma
  3. NASA Goddard Institute for Space Studies, New York, NY, USA

    • Michael J. Puma
  4. Korea International Volunteer Organization, Seoul, Republic of Korea

    • So Young Chon
  5. Frontier Research Institute for Interdisciplinary Sciences, Tohoku University, Sendai, Japan

    • Kaoru Kakinuma
  6. Water and Development Research Group, Aalto University, Espoo, Finland

    • Matti Kummu
  7. School of International Development, University of East Anglia, Norwich, UK

    • Raya Muttarak
  8. International Institute for Applied Systems Analysis, Laxenburg, Austria

    • Raya Muttarak
    •  & Yoshihide Wada
  9. Lamont-Doherty Earth Observatory, Columbia University, Palisades, NY, USA

    • Richard Seager
  10. Department of Physical Geography, Faculty of Geosciences, Utrecht University, Utrecht, The Netherlands

    • Yoshihide Wada

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Contributions

M.J.P. designed the research, compiled the food security and asylum-seeker data and estimated the refugee movements and associated food requirement. The paper was written together with contributions from all authors.

Corresponding author

Correspondence to Michael J. Puma.

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DOI

https://doi.org/10.1038/s41893-018-0123-z

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