Then he'd remove the cover and show the slope was unchanged going back to the beginning of the 20th century.
He was making the point that the Clean Air Act really didn't have that much to do with making our air cleaner. It was almost all due to technology.
If he have trouble getting your mind around that just remember just about all heating and cooking were done with wood and coal which are far more polluting than gas, oil and electricity (even though about half of it is generated from coal)
Love Julian Simon. I’d love to see that chart. Liberals are famous for their single entry accounting. Why would farm children race for the dehumanizing, industrial jobs in cities? Because they were better than the farm lives they left.
Humanity, independent of our planners and elites, charts an individual course toward betterment. They don’t like not being needed, so they lie.