Forum Discussion
agesilaus
Mar 07, 2017Explorer III
That's the national trend for NOx which is blamed for the most visible effects of air pollution. That brown sky effect. You can look other pollutants and see basically the same trend for all of them. The same thing for water quality.
We've fought the battle and won, what we need to do is maintain the current levels. We don't need ever more onerous legal standards to improve what doesn't need improving.
The EPA recently has been caught faking ozone numbers to make them look worse.
I will say the scale chosen for that curve is itself deceptive, the bottom number is 13 not zero which would be the honest value.
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