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Int. J. Environ. Res. Public Health 2010, 7(6), 2559-2606; doi:10.3390/ijerph7062559
Article

Public Perceptions of Climate Change as a Human Health Risk: Surveys of the United States, Canada and Malta

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Received: 4 May 2010; in revised form: 3 June 2010 / Accepted: 9 June 2010 / Published: 14 June 2010
(This article belongs to the Special Issue Climate Change and Human Health Impacts and Adaptation)
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Abstract: We used data from nationally representative surveys conducted in the United States, Canada and Malta between 2008 and 2009 to answer three questions: Does the public believe that climate change poses human health risks, and if so, are they seen as current or future risks? Whose health does the public think will be harmed? In what specific ways does the public believe climate change will harm human health? When asked directly about the potential impacts of climate change on health and well-being, a majority of people in all three nations said that it poses significant risks; moreover, about one third of Americans, one half of Canadians, and two-thirds of Maltese said that people are already being harmed. About a third or more of people in the United States and Canada saw themselves (United States, 32%; Canada, 67%), their family (United States, 35%; Canada, 46%), and people in their community (United States, 39%; Canada, 76%) as being vulnerable to at least moderate harm from climate change. About one third of Maltese (31%) said they were most concerned about the risk to themselves and their families. Many Canadians said that the elderly (45%) and children (33%) are at heightened risk of harm, while Americans were more likely to see people in developing countries as being at risk than people in their own nation. When prompted, large numbers of Canadians and Maltese said that climate change can cause respiratory problems (78–91%), heat-related problems (75–84%), cancer (61–90%), and infectious diseases (49–62%). Canadians also named sunburn (79%) and injuries from extreme weather events (73%), and Maltese cited allergies (84%). However, climate change appears to lack salience as a health issue in all three countries: relatively few people answered open-ended questions in a manner that indicated clear top-of-mind associations between climate change and human health risks. We recommend mounting public health communication initiatives that increase the salience of the human health consequences associated with climate change.
Keywords: climate change; global warming; public health; opinion poll; survey; United States; Canada; Malta climate change; global warming; public health; opinion poll; survey; United States; Canada; Malta
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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MDPI and ACS Style

Akerlof, K.; DeBono, R.; Berry, P.; Leiserowitz, A.; Roser-Renouf, C.; Clarke, K.-L.; Rogaeva, A.; Nisbet, M.C.; Weathers, M.R.; Maibach, E.W. Public Perceptions of Climate Change as a Human Health Risk: Surveys of the United States, Canada and Malta. Int. J. Environ. Res. Public Health 2010, 7, 2559-2606.

AMA Style

Akerlof K, DeBono R, Berry P, Leiserowitz A, Roser-Renouf C, Clarke K-L, Rogaeva A, Nisbet MC, Weathers MR, Maibach EW. Public Perceptions of Climate Change as a Human Health Risk: Surveys of the United States, Canada and Malta. International Journal of Environmental Research and Public Health. 2010; 7(6):2559-2606.

Chicago/Turabian Style

Akerlof, Karen; DeBono, Roberto; Berry, Peter; Leiserowitz, Anthony; Roser-Renouf, Connie; Clarke, Kaila-Lea; Rogaeva, Anastasia; Nisbet, Matthew C.; Weathers, Melinda R.; Maibach, Edward W. 2010. "Public Perceptions of Climate Change as a Human Health Risk: Surveys of the United States, Canada and Malta." Int. J. Environ. Res. Public Health 7, no. 6: 2559-2606.


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