Chemtrails or Contrails

Mick West from Metabunk.org showing the persistent contrails in various books on cloud formations. Most who argue that “Chemtrails” are a new phenomenon when in fact persistent contrails for been around for as long as their has been aircraft. With the advent of more sophisticated jet engines combined with 10 times the air travel as compared to the 1990s, contrails have become more prevalent. On a very low humidity day you will not find persistent contrails.