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FOOD SECURITY

Synchronised crop failure

When local crop failures in different regions occur simultaneously, the result can be an amplification of global food production shocks. Better understanding of the role of production synchronicity in historic food system stability is an important step towards anticipating possible future losses.

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The author declares no competing interests.

Correspondence to Kirsty Lewis.

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Fig. 1: Restricted breadbaskets.

Chris Kent; data from ref. 4