Phys.org shares the details of a new report by the U.S. Environmental Protection Agency about the air quality benefits of the Clean Air Act for cities around the county.
Some of the data contained in the report [pdf], according to the Phys.org article:
- "Since 1990, there has been a nearly 60 percent reduction in mercury from human sources such as coal-fired plants, a 66 percent decline in benzene, and an 84 percent fall in lead, which harms brain development in children."
- Among that "There has been a reduction of about 1.5 million tons per year of hazardous air pollutants such as arsenic, benzene, lead and nickel from stationary sources, and another reduction of 1.5 million tons per year of these pollutants from mobile sources."
FULL STORY: Air in US cities getting cleaner, EPA says
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