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      Urban heat: an increasing threat to global health

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          Abstract

          Shilu Tong and colleagues describe the health consequences of extreme urban heat and the priorities for action and research to mitigate the harms

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          Most cited references50

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          The 2019 report of The Lancet Countdown on health and climate change: ensuring that the health of a child born today is not defined by a changing climate

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            The Imperative for Climate Action to Protect Health

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              Climate change and extreme heat events.

              The association between climate change and the frequency and intensity of extreme heat events is now well established. General circulation models of climate change predict that heatwaves will become more frequent and intense, especially in the higher latitudes, affecting large metropolitan areas that are not well adapted to them. Exposure to extreme heat is already a significant public health problem and the primary cause of weather-related mortality in the U.S. This article reviews major epidemiologic risk factors associated with mortality from extreme heat exposure and discusses future drivers of heat-related mortality, including a warming climate, the urban heat island effect, and an aging population. In addition, it considers critical areas of an effective public health response including heat response plans, the use of remote sensing and GIS methodologies, and the importance of effective communications strategies.
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                Author and article information

                Contributors
                Role: professor of epidemiology
                Role: professor of planning, health, and environment
                Role: professor of climatology
                Role: professor of epidemiology and public health
                Role: professor of urban health and sustainability
                Journal
                BMJ
                BMJ
                BMJ-UK
                bmj
                The BMJ
                BMJ Publishing Group Ltd.
                0959-8138
                1756-1833
                2021
                25 October 2021
                : 375
                : n2467
                Affiliations
                [1 ]Shanghai Children’s Medical Centre, Shanghai Jiao Tong University School of Medicine, Shanghai, China
                [2 ]School of Public Health, Institute of Environment and Population Health, Anhui Medical University, Hefei, China
                [3 ]Centre of Global Health, School of Public Health, Nanjing Medical University, Nanjing, China
                [4 ]School of Public Health and Social Work, Queensland University of Technology, Brisbane, Australia
                [5 ]Institute for Sustainable Futures, University of Technology, Sydney, Australia
                [6 ]Department of Geography, Durham University, Durham, UK
                [7 ]National Institute of Environmental Health, Chinese Centre for Disease Control and Prevention, Beijing, China
                [8 ]Department of Environmental Health, Boston University School of Public Health, Boston, USA
                Author notes
                Correspondence: S Tong tongshilu@ 123456scmc.com.cn
                Article
                tons052044
                10.1136/bmj.n2467
                8543181
                34697023
                5772c379-acd4-451c-a8d2-02ea97cec3f8
                © Author(s) (or their employer(s)) 2019. Re-use permitted under CC BY-NC. No commercial re-use. See rights and permissions. Published by BMJ.

                This is an Open Access article distributed in accordance with the Creative Commons Attribution Non Commercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited and the use is non-commercial. See: http://creativecommons.org/licenses/by-nc/4.0/.

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                Analysis
                Building Healthy Communities

                Medicine
                Medicine

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