2009Jan22: Reductions in particulate air pollution during the 1980s and 1990s led to an average five-month increase in life expectancy in 51 U.S. cities, according to a study led by epidemiologist C. Arden Pope III of Brigham Young University, that appears in the New England Journal of Medicine (LA Times).
Reference: Los Angeles Times http://www.latimes.com/news/science/environment/la-sci-air22-2009jan22,0,3402233.story
Image Description: Downtown Pittsburgh. Photo by CBC, 2004Sept24. http://commons.wikimedia.org/wiki/File:Downtown_Pittsburgh_1.jpg Image Permission: Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled “GNU Free Documentation License”.
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