Latest USC Dornsife News in the Topic Air Pollution http://dornsife.usc.edu/news/topics/7262/air-pollution/ Geography undergraduates’ winning research finds that more than 400 schools totaling 250,000 students are exposed daily to an air pollution volume 3.5 times the already elevated Los Angeles County Metropolitan Transportation Authority emissions standard.]]> Tue, 3 Nov 2009 10:00:00 -0500