How many people believe in chemtrails?

How many people are interested in chemtrails? Not very many I suspect. But how to measure them? One way is to see how popular they are on the internet. You could measure how many web pages mention “chemtrails”, but that could give a distorted picture, as the people...
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Contrail Confusion is Nothing New

Some people think that persistent contrails (high altitude aircraft vapor trails) are unusual, and are evidence of some secret government plot to modify the weather, or spread some population controlling drug or toxin. This is based on a misunderstanding of how contrails form, persist and spread. It is...
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Hazy Memories of Blue Skies

Some people believe that persistent contrails are actually evidence of a secret government spraying program called “chemtrails”, which was begun in the 1990s, for some purpose such as weather control, population control or more exotic purposes. A common claim made by those believers is that it is only...
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Persisting and Spreading Contrails

Do contrails sometimes persist and spread out? Yes, see the Encyclopædia Britannica article on vapour trails (contrails): Contrail, streamer of cloud sometimes observed behind an airplane flying in clear, cold, humid air. It forms upon condensation of the water vapour produced by the combustion of fuel in the...
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