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Energy decarbonization threatens food security by reducing the availability of cheap sulfur

The overlooked link between fossil fuel-derived sulfur and the production of phosphate fertilizers may lower agricultural productivity and harm global food security unless action is taken.

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Fig. 1: Material flows related to production and use of phosphate fertilizers.


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We thank the UCL Geography Drawing Office for assistance with the diagram.

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All authors contributed equally to conceiving the idea and drafting the manuscript.

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Correspondence to Peter Alexander.

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Day, S., Alexander, P. & Maslin, M. Energy decarbonization threatens food security by reducing the availability of cheap sulfur. Nat Food 4, 442–444 (2023).

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