Frequent flyers

Graph: Frequent Flyers: Increased International Travel

Caption: Health issues in the 21st century reflect the worldwide movement of people and goods and the recognition that earth processes operate on a global scale. International travel has skyrocketed in the past half century, up to almost 500 million international arrivals per year.   The study of disease must encompass the individual's relationship with the global environment. Collage of graph and 747 image representing world-wide trends in international travel. Graph illustrates the increase in overall international travel.

Source: Information from World Health Organization
Credit: NASA, NRC
Design by: NSF/E. Myers
Websites: Plane: http://www.grc.nasa.gov/WWW/PAO/images/fullsize/b747.gif
Map: http://www.nrc.gov/reading-rm/doc-collections/nuregs/staff/sr1556/v3/fig016.gif
NSF Permitted Use: Yes
Government Images: Yes
Original File Name: FrequentFlyersGraphOnly.jpg
In Image Library: No
Permission Form: Not Needed

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