In Custodia Legis recently carried an interesting post by Sayuri Umeda on the history of the elimination of leaded gas in Japan. Among other things, it demonstrates that environmental regulation is often driven politically by pressure from businesses that stand to profit from the regulation, a phenomenon we have also seen, for instance, in the history of the Montreal Protocol on ozone-depleting substances. This is an important lesson for those trying to drum up political support for regulation. (It is also a shocking story of greed and regulatory failure in the US and elsewhere.)
Umeda writes (some links removed):
When I saw news headlines online on March 7, 2022, saying that a study found Americans born before 1996 might have a lower IQ from exposure to leaded gasoline, I seriously thought that my own IQ could be lower for the same reason, having grown up in Japan.
I checked when Japan banned leaded gasoline and found that actually, I was safer in Japan. Japan was the first country to ban leaded gasoline.





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