I see them (contrails) all the time here in the skies over the Fundy coast ... we are directly under the flight path for all eastern seaboard sourced flights on their way to and fro from Europe.

Since ethelyne dibromide is a common additive to aviation fuel ... I'm sure some of it is being spewd out in the jet exhaust ... certainly is not a comforting thought, but I'm skeptical of any such conspiracies surrounding it.

sIx