Kevin Drum has been on this for more than a decade www.motherjones.com/environment/...

That helps explain Trump's election.

Thanks again to Robert Midgely Jr. The same man not only put lead in petrol but also invented CFCs. He almost single-handedly owns the hole in the Ozone layer.

That explains why Trump won.

In the early 70's, the main intersection in our small town had 3 gas (petrol) stations. The shrubbery around the houses next to those stations would turn brown during the summer. That was ground level ozone from open gas filler pipes and cars that spewed unburned fuel out the tailpipe.