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the claim

A nuclear war can cause global famine.

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SUPPORTED
the evidence backs this
Recorded sources
8 sources for · 0 against

Counts group repeated records of the same source within each side. They do not measure evidence strength or source independence.

Is it true that a nuclear war can cause global famine?

Yes. Multiple peer-reviewed modeling studies and reviews report that soot from nuclear war would cool the climate and disrupt food production enough to cause famine across most of the Earth, including from regional wars. The claim that nuclear war can cause global famine is directly supported.

Verdict: SUPPORTED · 8 sources for, 0 against · Last checked

Evidence for · 8
Nuclear famine - Wikipedia
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Nuclear famine - Wikipedia. (n.d.). en.wikipedia.org. https://en.wikipedia.org/wiki/Nuclear_famine

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More for · 7
Global Famine after Nuclear War
2021
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Xia, L., Robock, A., Scherrer, K., Harrison, C., Jaegermeyr, J., Bardeen, C., Toon, O., & Heneghan, R. (2021). Global Famine after Nuclear War. doi.org. https://doi.org/10.21203/rs.3.rs-830419/v1

Global food insecurity and famine from reduced crop, marine fishery and livestock production due to climate disruption from nuclear war soot injection
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Global food insecurity and famine from reduced crop, marine fishery and livestock production due to climate disruption from nuclear war soot injection. (n.d.). cir.nii.ac.jp. https://doi.org/10.1038/s43016-022-00573-0

Alternative Foods as a Solution to Global Food Supply Catastrophes
2016
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Alternative Foods as a Solution to Global Food Supply Catastrophes. (2016). hal.science. https://hal.science/hal-02113500v1

Nuclear war and public health: preparedness, protection and the case for prevention
2019
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Nuclear war and public health: preparedness, protection and the case for prevention. (2019). doi.org. https://doi.org/10.1093/pubmed/fdz102

Nuclear Niño response observed in simulations of nuclear war scenarios
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Nuclear Niño response observed in simulations of nuclear war scenarios. (n.d.). cir.nii.ac.jp. https://doi.org/10.1038/s43247-020-00088-1

The climate effects of nuclear war
2025
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The climate effects of nuclear war. (2025). doi.org. https://doi.org/10.1080/13623699.2025.2560274

Reducing the risks of nuclear war - the role of health professionals
2023
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Abbasi, K., Ali, P., Barbour, V., Bibbins-Domingo, K., Rikkert, M. G. O., & Hanines, A. (2023). Reducing the risks of nuclear war - the role of health professionals. doi.org. https://doi.org/10.4314/orapj.v4i1.5

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