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Tue Jun 4, 2013, 02:58 PM

Los Angeles air pollution drops after tailpipe laws [View all]

Source: BBC

Los Angeles air pollution - and its infamous eye sting - have declined due to California's strict vehicle emission controls, scientists have said.

Despite a three-fold rise in the number of vehicles on southern California roads since 1960, air pollution there has decreased, a study found.


She said the study "confirms that California's policies to control emissions have worked as intended".
'Better' air

In addition, ozone pollution has improved, although Los Angeles remains the worst city in America for ozone pollution, according to the American Lung Association. The researchers compared atmospheric data collected since 1960 with new findings from a research aircraft mission in 2010 to devise a long-term model of change in the region's atmosphere.


While pollution has decreased since 1960, scientists say vehicles are still the "dominant" source of emissions in Los Angeles.


Read more: http://www.bbc.co.uk/news/world-us-canada-22772933

Regulations, even watered down, work.

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Reply Los Angeles air pollution drops after tailpipe laws [View all]
marble falls Jun 2013 OP
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