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Zhu, Y.* ; He, C. ; Bachwenkizi, J.* ; Fatmi, Z.* ; Zhou, L.* ; Liu, C.* ; Liu, S.* ; Kan, H.* ; Chen, R.*

Under-five mortality burden in low- and middle-income countries set to increase under future warming.

One Earth 8:101424 (2025)
DOI
Open Access Green möglich sobald Postprint bei der ZB eingereicht worden ist.
The under-5 child mortality rate remains disproportionately high in low- and middle-income countries (LMICs). Children are particularly vulnerable to high temperatures, and climate change is expected to increase child mortality, yet few studies have investigated the relationship between ambient temperature and child mortality in LMICs. Here, using a sibling-matched case-control design, we examined the association between monthly ambient temperature and under-5 child mortality across 59 LMICs. We found that child mortality increased by 5.2%–10.3% under moderate to extreme temperature (32.0°C –34.9°C), compared to the reference temperature (25.0°C). Our estimates indicate high temperatures contributed to an estimated 5.7 deaths per 1,000 children in LMICs during 2000–2020. This number would increase by nearly 1.5, 2.9, and 3.2 times under the strict-, medium-, and high-emissions scenarios in 2090s, respectively. This study offers insight into the child mortality burden attributable to climate warming across historical and future periods in LMICs, emphasizing the vulnerabilities and inequalities of children in developing nations amid climate warming.
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Publikationstyp Artikel: Journalartikel
Dokumenttyp Wissenschaftlicher Artikel
Schlagwörter Children’s Health ; Climate Warming ; High Temperature ; Low-income And Middle-income Countries ; Sibling-matched Case-control Analysis ; Under-5 Child Mortality; Climate-change; Ambient-temperature; Infant-mortality; Childrens Health; Case-crossover; Heat Waves; Projections; Conflict; Exposure; Progress
Sprache englisch
Veröffentlichungsjahr 2025
HGF-Berichtsjahr 2025
ISSN (print) / ISBN 2590-3330
e-ISSN 2590-3322
Zeitschrift One Earth
Quellenangaben Band: 8, Heft: 9, Seiten: , Artikelnummer: 101424 Supplement: ,
Verlag Elsevier
Verlagsort 50 Hampshire St, Floor 5, Cambridge, Ma 02139 Usa
Begutachtungsstatus Peer reviewed
Institut(e) Institute of Epidemiology (EPI)
POF Topic(s) 30202 - Environmental Health
Forschungsfeld(er) Genetics and Epidemiology
PSP-Element(e) G-504000-001
Förderungen Shanghai International Science and Technology Partnership Project
Shanghai B&R Joint Laboratory Project
Shanghai Municipal Science and Technology Major Project
National Natural Science Foundation of China
DOI 10.1016/j.oneear.2025.101424
WOS ID 001584291700002
Scopus ID 105017765849
Erfassungsdatum 2025-10-14
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