2006年05月02日
ENS美國,紐約市報導;蘇家億編譯;莫聞審校
U.S. Air Cleaner But Millions Still Inhale Soot, Smog
Federal efforts to control air pollution from power plants are paying off, according to the annual American Lung Association's State of the Air: 2006 report released today. But the report finds that nearly 15 percent of the U.S. population still lives in areas with unhealthful levels of both smog and soot.