According to a recent study, Black and Hispanic Americans population bear a disproportionate burden from air pollution caused mainly by non-Hispanic white Americans.As part of the study, researchers tried to quantifies for the first time the racial gap between who causes air pollution and who breathes it.Poor air quality is one of the largest environmental health risks in the United States. Fine particulate matter (PM2.5) pollution is especially harmful and is responsible for more than 100,000 deaths each year from heart attacks, strokes, lung cancer and other diseases.But not everyone is equally exposed to poor air quality, nor are all people equally responsible for causing it.Researchers found that PM2.5 pollution is disproportionately caused by the consumption of goods and services by the non-Hispanic white majority, but disproportionately inhaled by black and Hispanic minorities.In the report, researchers linked air pollution exposure to the consumption activities that cause it ..