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Environmental News Service (ENS)
April 28, 2011
http://www.commondreams.org/headline/2011/04/28-9
WASHINGTON, DC - The United States has made progress in cleaning up air pollution, but 154.5 million people, about half the population, live where the air is so polluted with smog and particles that it is often dangerous to breathe, the American Lung Association said today.
Sunrise over the Houston Ship Channel. Nearly half the people in the United States, 48.2 percent, live in counties that received an "F" for air quality due to unhealthy ozone levels, finds the report. (Photo by Cam17) In its annual report on air quality, State of the Air 2011, the American Lung Association says that the Clean Air Act is working and warns against legislators who are trying to weaken the law.