"The Air Resources Board reported that Californians' cancer risk from toxic air pollution has declined 76% over more than two decades, a trend the agency attributes to the state's array of regulations targeting everything from diesel trucks to dry cleaners.
State scientists measured the drop from 1990 to 2012 by tracking airborne concentrations of the seven toxic air contaminants that are most responsible for increasing cancer risks. They include the particulate matter in diesel exhaust, benzene from gasoline, perchloroethylene emitted by dry cleaners and hexavalent chromium from chrome plating operations."
Read this good-news story on the Los Angeles Times
No comments:
Post a Comment