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Potsdam Institute for Climate Impact Research

• https://www.pik-potsdam.de/en

• https://www.pik-potsdam.de/en/news/latest-news/regional-nuclear-war-a-risk-for-global-food-security

Even a limited nuclear war could have dangerous effects far beyond the region that is fatally hit. It would result in global cooling that substantially reduces agricultural production in the world’s main breadbasket regions, from the US, to Europe, Russia, and China. The particular effect on food security worldwide including trade responses has now for the first time been revealed by an international team of scientists in a study based on advanced computer simulations. The sudden temperature reduction would lead to a food system shock unprecedented in documented history. It would not undo long-term climate change from fossil fuels use, though – after about a decade of cooling, global warming would surge again.

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