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Abstract:
Climate change can substantially affect human morbidity and mortality. Empirical evidence suggests that climate change alone would decrease cold-related deaths and increase heat-related deaths. The total impact on temperature-related mortality is often unclear as it depends on the magnitude of warming and the temperature–mortality relationship, which is generally found to be U-shaped (convex) and region specific. Future global-scale projections of temperature-related mortality, which are typically based on regression models estimated using observed location-specific temperature–mortality data and projected using temperature simulated by global climate models, provide spatially heterogeneous results regarding the total climate-induced impact on mortality across regions.