PPT Slide
According to the U.S. Environmental Protection Agency's (EPA)
latest Ten-Year Air Quality and Emissions Trends report, there have
been significant reductions in all 6 criteria pollutants and reductions
are expected to continue.
The pollution reductions between 1986 and 1995 were:
Carbon Monoxide (CO) down 37%Lead down 78%Nitrogen Dioxide (NO2) down 14%Ozone down 6%Particulate Matter (PM-10) down 22%Sulfur Dioxide down 37%.
Is The Air Getting Cleaner Or Dirtier?