Car regulations are a great thing, and pollution levels have decreased a lot, even in LA.
Pollution is still a significant problem in LA.
> “Ozone and particle pollution contribute to thousands of hospitalizations, emergency room visits, and deaths every year,” Dr. Kari Nadeau, a Stanford Medical School professor and American Lung Association researcher, said when the State of the Air report was released. “Air pollution can stunt the lung development of children, and cause health emergencies, especially for people suffering from chronic lung disease, including asthma, chronic bronchitis, and emphysema. Both long-term and short-term exposures can result in serious health impacts.”
Pollution is still a significant problem in LA.
> “Ozone and particle pollution contribute to thousands of hospitalizations, emergency room visits, and deaths every year,” Dr. Kari Nadeau, a Stanford Medical School professor and American Lung Association researcher, said when the State of the Air report was released. “Air pollution can stunt the lung development of children, and cause health emergencies, especially for people suffering from chronic lung disease, including asthma, chronic bronchitis, and emphysema. Both long-term and short-term exposures can result in serious health impacts.”
http://www.forbes.com/sites/eco-nomics/2012/08/23/los-angele...
The numbers of people dying from car pollution is weirdly high, considering we don't hear much about it.