The World

The Haze Over Trade

An increase in trade from Asia has caused an increase in air pollution in California. Some Southern Californians are calling for stricter controls but not everyone believes the restrictions are necessary.

In the most recent in our series, “The Haze Over Trade,” residents and regulators in southern California, frustrated over increasing trade related air pollution focus their most recent protests on railroad emissions. Living on Earth’s Ingrid Lobet reports.