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US air Pollution Deaths Nearly Halved Between 1990 and 2010
A href="https://www.sciencedaily.com/releases/2018/10/181019120726.htm">US air Pollution Deaths Nearly Halved Between 1990 and 2010:
Air pollution in the U.S. has decreased since about 1990, and a new study conducted at the University of North Carolina at Chapel Hill now shows that this air quality improvement has brought substantial public health benefits. The study, published in the journal Atmospheric Chemistry and Physics, found that deaths related to air pollution were nearly halved between 1990 and 2010.
The team's analyses showed that deaths related to air pollution exposure in the U.S. decreased by about 47 percent, dropping from about 135,000 deaths in 1990 to 71,000 in 2010.
These improvements in air quality and public health in the U.S. coincided with increased federal air quality regulations, and have taken place despite increases in population, energy and electricity use, and vehicle miles traveled between 1990 and 2010.
"We've invested a lot of resources as a society to clean up our air," said Jason West, professor of environmental sciences and engineering at the UNC Gillings School of Global Public Health and study co-author. "This study demonstrates that those changes have had a real impact with fewer people dying each year due to exposure to outdoor air pollution."
[...] Still, despite clear improvements, air pollution remains an important public health issue in the U.S. The estimated 71,000 deaths in 2010 translates to 1 of every 35 deaths in the U.S. -- that's as many deaths as we see from all traffic accidents and all gun shootings combined.
[...] "New federal policies curtailing air pollution regulations likely will slow the improvement in air quality or possibly make air quality worse."
Journal Reference:
Yuqiang Zhang, et. al.Long-term trends in the ambient PM2.5- and O3-related mortality burdens in the United States under emission reductions from 1990 to 2010. Atmospheric Chemistry and Physics, 2018; 18 (20): 15003 DOI: 10.5194/acp-18-15003-2018 [doi.org]
