Again, I talk to people outside Humboldt County who think I’m joking about some of the discussions on this very blog.  If Contrails in the 1970sanyone is really interested in the science of contrails, here are two excellent pieces.

“To Chemtrailers: Twenty Things You Don’t Know”

Contrail Science

The photo is from Life Magazine – taken in 1970, posted on the Contrail Science blog linked above.