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Food security

Fertilizing hidden hunger

Nature Climate Change volume 4, pages 540–541 (2014)Cite this article

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Atmospheric CO2 fertilization may go some way to compensating the negative impact of climatic changes on crop yields, but it comes at the expense of a deterioration of the current nutritional value of food.

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Figure 1: Currently, the C3-crops wheat, rice and soy provide almost 40% of the world's food calorie supply (left) as well as significant shares of iron, zinc and proteins (current levels represented as thirds of the plate area).

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Authors and Affiliations

  1. Christoph Müller and Anders Levermann are at the Potsdam Institute for Climate Impact Research, Telegraphenberg A31, 14473 Potsdam, Germany,

    Christoph Müller & Anders Levermann

  2. Joshua Elliott is at the University of Chicago Computation Institute, 5735 S. Ellis Ave., Chicago, Illinois 60637, USA,

    Joshua Elliott

Authors
  1. Christoph Müller
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  2. Joshua Elliott
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  3. Anders Levermann
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Correspondence to Christoph Müller.

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Müller, C., Elliott, J. & Levermann, A. Fertilizing hidden hunger. Nature Clim Change 4, 540–541 (2014). https://doi.org/10.1038/nclimate2290

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