Anna Nagurney

Professor and Eugene M Isenberg Chair in Integrative Studies, UMass Amherst

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Anna Nagurney

The grain deal allowed Ukrainian corn and other products to reach ports in Lebanon and elsewhere. Photo: AP Photo/Hassan Ammar

Why Russia pulled out of its grain deal with Ukraine — and what that means for the global food system

20 Jul 2023

5 min read

Down To Earth

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