2018 Yes https://link.springer.com/article/10.1007/s11524-018-0318-7 Servadio, Joseph L North America Observational Epidemiology Study Nitrogen Dioxide (NO2) Air pollution Cardiovascular disease Respiratory disease Inequity Racial disparity Infrastructure Multi-scale analysis using Georgia Dept. of Health data and atmospheric models finds that higher NO₂ and PM exposure disproportionately affects vulnerable children in urban Atlanta. Results support infrastructure planning for environmental justice.