HUNTSVILLE, Alabama, July 24 -- The University of Alabama issued the following news: * * * UAH first-of-its-kind study shows air quality data derived from megacities are not accurate when applied to U.S. urban centers By Russ Nelson Researchers at The University of Alabama in Huntsville (UAH) have published a paper in the Nature journal Communications Earth & Environment that demonstrates for the first time that using data gathered on atmospheric particles from Chinese megacities to characte more PR