Support WBURA new satellite could help clean up the air in America's most polluted neighborhoodsPlay04:05Download AudioSeyma BayramRebecca HersherJune 19, 2023 SharePiles of coal sit at a coal export terminal in the Curtis Bay neighborhood of Baltimore. The area is one of the most polluted in the state and is one of hundreds of communities in the U.S. that grapple with disproportionate air pollution. (NPR)