Researchers at Carnegie Mellon University have found that a particular kind of air pollution, particulate matter (PM 2.5), has been getting worse and is leading to an increase in preventable deaths in the U.S., the Washington Post's Christopher Ingraham reports.
"Overall, concentrations of the pollutant have risen about 5.5 percent since 2016, and the Carnegie Mellon researchers identified several reasons for this, including rising natural gas use and people doing more driving," Ingraham writes. "Using commonly accepted formulas for translating air pollution exposure to death rates, the Carnegie Mellon researchers estimate that in 2018, nearly 10,000 lives would have been saved had pollution levels remained at their 2016 numbers."
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