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Oil Refineries: A Deadly Industry

Union of Concerned Scientists

Since global and local pollutants are often byproducts of the same activities, mitigation policies for global warming emissions have the potential to simultaneously mitigate local air pollution 2. One good example of the nexus between global warming and local pollution is ground-level ozone. Secondary PM2.5

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Nearly Half of US Breathes Unhealthy Levels of Pollution—Cars and Trucks Largely to Blame

Union of Concerned Scientists

It presents air pollution data at the county-level for two pollutants, deadly fine particulate matter (PM 2.5 ) and ground-level ozone. is emitted directly from the tailpipes of gasoline and diesel vehicles, while ozone and even more PM 2.5 Secondary PM 2.5 Letter from Dr. H.

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