FIGURE 2.4 Regional variation in global temperature trends over the past 30 years. Yellow, orange, and red designate average increase in temperate (ºC) from 1980 through 2009, compared with the previous three decades. Warming has been the greatest in the Northern Hemisphere. SOURCE: NASA Goddard Institute for Space Studies, http://data.giss.nasa.gov/gistemp/.

FIGURE 2.4 Regional variation in global temperature trends over the past 30 years. Yellow, orange, and red designate average increase in temperate (ºC) from 1980 through 2009, compared with the previous three decades. Warming has been the greatest in the Northern Hemisphere. SOURCE: NASA Goddard Institute for Space Studies, http://data.giss.nasa.gov/gistemp/.

change differences, Figure 2.4 provides a view of variation in regional temperature change over the past 30 years.)

Both the National Research Council and the World Health Organization (WHO) have released reports regarding the estimated effects of climate change on disease vectors and human health.43 According to these reports, the impacts of climate on human health will not be evenly distributed around the world. Developing countries, particularly in small island states, arid and high mountain zones, and densely populated coastal areas, are considered to be particularly vulnerable to these impacts. Based on these studies, human health and disease effects may exacerbate climate change impacts in certain regions of the globe, impacting the United States and its allies, and they are also cause for U.S. naval forces to consider new-disease vectors when preparing to respond to new missions.

43

See National Research Council, 2001, Under the Weather: Climate, Ecosystems, and Infectious Disease, 2001, National Academy Press, Washington, D.C. See also World Health Organization, 2009, Climate Change and Health, Report by the Secretariat, Geneva, March.



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