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(CNN)Air pollution is deadly:

(CNN)Air pollution is deadly: A new study links exposure to it to more than 107,000 premature deaths in the United States in 2011.
It isn't just killing us; it cost the country $866 billion, more than double the value of all the economic activity in a country like Ireland, according to the study, published Monday in the Proceedings of the National Academy of Sciences.
Particulate matter, or particle pollution, is the mix of solid and liquid droplets floating in the air, according to the Environmental Protection Agency. It can come in the form of dirt, dust, soot or smoke. Particulate pollution comes from coal- and natural gas-fired plants. Cars, agriculture, unpaved roads, construction sites and wildfires can also create it.


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The airport noise problems in southern Maryland – North landing to DCA

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Inequalities in exposure to noise

Urban noise pollution is worst in poor and minority neighborhoods and segregated cities
Nation Oct 7, 2017 3:43 PM EDT
"Most Americans think of cities as noisy places – but some parts of U.S. cities are much louder than others. Nationwide, neighborhoods with higher poverty rates and proportions of black, Hispanic and Asian residents have higher noise levels than other neighborhoods. In addition, in more racially segregated cities, living conditions are louder for everyone, regardless of their race or ethnicity..... Scientists have documented that environmental hazards, such as air pollution and hazardous waste sites, arenot evenly distributedacross different populations. Often socially disadvantaged groups such as racial minorities, the poor and those with lower levels of educ…

Political action

Congressman Raskin And Others Request GAO Study Of Noise Impacts From NextGen, June 19, 2019
Rep. Jamie Raskin yesterday joined 28 other Members of Congress in requesting that the U.S. Government Accountability Office (GAO) investigate "how the Federal Aviation Administration (FAA) has considered community noise impacts while implementing the Next Generation Air Transportation System (NextGen) in major metropolitan areas," including the Washington, D.C. metropolitan area.