For a decade,  scientific studies implicated air pollution from jet aircraft in increased health and mortality risks near airfields.

Since the 2010 World Health Organization warning, aviation interests have deflected attention away from these studies in several ways. The Federal government now exempts military and commercial avaition operations from State environmental reviews and penalties; the FAA directed studies through a contract with MIT, failing to establish that a >65 annual average noise intensity (DNL modeling) is not harmful.

In 2015,  in cooperation with the EPA. FAA formally found that commercial aviation emissions of greenhouse gases (GHG) were a public health threat (through global warming).  Research by the University of Southern California (USC) discovered an abundance of submicron particulates in neighborhoods near LAX. The particulates are earmarked by Thorium (Th), a weakly radioactive metal, as formed in jet engines. 

Submicron particulates are breathed in and then deposited deep in the lungs causing damage (Pneumoconiosis, or lung disease). More frequent (daily) exposure to coal dust, silica, and tobacco tars result in lung fibrosis, lung cancer and early death. It remains to be seen if sufficient fine particulates from jets are possibly being breathed in for similar consequences, but the WHO warning was that this and other risks near airports are statistically significant.


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  • Smaac Forum Panel
    commented 2018-12-04 18:42:33 -0600
    It now appears certain that the MAC will not hold a Public Hearing or cojnduct an environmentl review on plans to expand MSP as a major hub. The MAC has sequestered Long-Term Comprehensive Plan now for 6 years but annually approved capital inprovements and increased operations. That this has been a sad state of affairs allow indicating an appalling lack of oversight by elected officials.