Earth Day Turns 40 - Reason Magazine

Environmentalist pioneers have had it their way for four decades. It's time for a change.
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Since 1980, ambient concentrations of the six major regulated air pollutants have dropped by 54 percent, while U.S. population grew 34 percent, energy use increased 32 percent, automobile miles nearly doubled, and GDP rose by 126 percent. Specifically, ambient carbon monoxide is down 79 percent; ozone down 25 percent; nitrogen dioxide down 46 percent; sulfur dioxide down 56 percent, particulates down 68 percent.