Los Angeles air pollution drops after tailpipe laws

[marble falls]

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.

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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.

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

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

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Regulations, even watered down, work.

[Politicalboi]

1. Had we grown Hemp

Along with these regulations, we would be better off today for sure. Hemp absorbs CO2. Hemp can be used as a fuel, feed cattle, and clothe us.

[Bonx]

2. Good to hear.

Been a long time since I drove out to Ca from the east coast, but it was always disconcerting when I crossed the point where the air suddenly turned brown.