Leaded gasoline.
you know that's not what I meant. also, avgas.
What did you mean, then?
Also, CFCs.
things like the ones I had enumerated in my first comment. I'm old enough to remember FUD about all of those and many others, and perceptive enough to identify many ongoing public opinion campaigns as such.
you know that's not what I meant. also, avgas.
What did you mean, then?
Also, CFCs.
things like the ones I had enumerated in my first comment. I'm old enough to remember FUD about all of those and many others, and perceptive enough to identify many ongoing public opinion campaigns as such.