This is called the “Lead Hypothesis,” and research had found the same correlations not only across the US, putting Giuliani’s “broken windows” theory to rest, but across the world, putting Freakonomics’ “Roe v. Wade/abortion solves crime” theory down.
Kevin Drum’s Mother Jones article gathers the evidence in one really readable piece, and the evidence is strong.
It wasn’t mass incarceration or abortion that stopped America’s thirty year crime wave. It was banning lead paint and gas.
And now, my congressman, Steve Palazzo, and a handful of other corporate reps want to eliminate the E.P.A., which would almost certainly create a “race to the bottom” as states compete to bring in businesses by giving exemptions to environmental protections, or gutting them entirely.
If you like the drinking water in Flint, Michigan, you’ll love the new, EPA-less America.