pollution graphic

CREDITS

Graphic by Kelly McHugh

SOURCES

Public concern about the pollution of drinking water in the United States from 1990 to 2012. (2012). Statista. Retrieved July 27, 2012 from http://www.statista.com/statistics/223427/public-concern-about-the-pollution-of-drinking-water-in-the-us/
Public concern about the pollution of rivers, lakes and reservoirs in the United States from 1989 to 2012. (2012). Statista. Retrieved July 27, 2012 from http://www.statista.com/statistics/223405/public-concern-about-the-pollution-of-rivers-lakes-and-reservoirs-in-the-us/
Public concern about air pollution in the United States from 1989 to 2012. (2012). Statista. Retrieved July 27, 2012 from http://www.statista.com/statistics/223413/public-concern-about-air-pollution-in-the-us/