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Vulnerability Reduction Needed to Maintain Current Burdens of Heat-Related Mortality in a Changing Climate-Magnitude and Determinants
Umeå University, Faculty of Medicine, Department of Public Health and Clinical Medicine, Occupational and Environmental Medicine.
Umeå University, Faculty of Medicine, Department of Public Health and Clinical Medicine, Occupational and Environmental Medicine. Department of Clinical Sciences, Malmö, Lund University, Malmö, Sweden.
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2017 (English)In: International Journal of Environmental Research and Public Health, ISSN 1661-7827, E-ISSN 1660-4601, Vol. 14, no 7, 741Article in journal (Refereed) Published
Abstract [en]

The health burden from heatwaves is expected to increase with rising global mean temperatures and more extreme heat events over the coming decades. Health-related effects from extreme heat are more common in elderly populations. The population of Europe is rapidly aging, which will increase the health effects of future temperatures. In this study, we estimate the magnitude of adaptation needed to lower vulnerability to heat in order to prevent an increase in heat-related deaths in the 2050s; this is the Adaptive Risk Reduction (ARR) needed. Temperature projections under Representative Concentration Pathway (RCP) 4.5 and RCP 8.5 from 18 climate models were coupled with gridded population data and exposure-response relationships from a European multi-city study on heat-related mortality. In the 2050s, the ARR for the general population is 53.5%, based on temperature projections under RCP 4.5. For the population above 65 years in Southern Europe, the ARR is projected to be 45.9% in a future with an unchanged climate and 74.7% with climate change under RCP 4.5. The ARRs were higher under RCP 8.5. Whichever emission scenario is followed or population projection assumed, Europe will need to adapt to a great degree to maintain heat-related mortality at present levels, which are themselves unacceptably high, posing an even greater challenge.

Place, publisher, year, edition, pages
MDPI AG , 2017. Vol. 14, no 7, 741
Keyword [en]
adaptation, climate change, health, heat, Europe
National Category
Public Health, Global Health, Social Medicine and Epidemiology Environmental Health and Occupational Health
Identifiers
URN: urn:nbn:se:umu:diva-137920DOI: 10.3390/ijerph14070741ISI: 000407370700073PubMedID: 28686197Scopus ID: 2-s2.0-85021895513OAI: oai:DiVA.org:umu-137920DiVA: diva2:1128884
Available from: 2017-07-31 Created: 2017-07-31 Last updated: 2017-11-29Bibliographically approved

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