Chemtrails are conspiracy theory nuttiness. They’re called contrails. The newer super-efficient turbofans do make thicker ones, but it is still just ice.
/an engineer (among other things)
For Pete's Sake, don't tell them the truth! Without Chemtrail Goodness, it would be that much more difficult to sieve out the Stupid from Conservatives. Besides, it's good for the sinuses.
The haze will clear when 47% of the population are CW2 casualties.
Explains probably 97% of it.
Doesn't explain the 747 apparently equipped as a tanker I saw at about 10,000 ft making tight circles spraying a heavy, thick obscure fog which didn't dissipate -- eventually departed with the airborne winds. I was a pilot and scientist/engineer also.