The discussion about Jet contrails, what's in them and what effect they are having on our planet is heating up along with our globe, mates!
A 1997 article in the Christian Science Monitor quoted a Patrick Minnis, an atmospheric scientist at the NASA Langley Research Center in Hampton, Va. as pointing out that when we look at the planet from outer space, some portion of the clouds we see might not be natural, but instead be the result of Jet exhaust. His work has proven that these contrails can expand over time to cover tens of thousands of square miles with unnatural cloud formations that certainly have an effect of some kind. What the effects are is still being studied.
In 1996, NASA conducted the Subsonic Aircraft Contrail and Cloud Effects Study (SUCCESS) whose findings aer published at http://www.espo.nasa.gov/success
Unfortunately, while the study did reveal the potential for sulfuric acid particles in the contrails, which hints at an acid rain source, the study produced more questions than answers.
Cowen, R. (1997, July 29). Those hazy jet trails may heat up the debate about global warming. Christian Science Monitor, p. 12. Retrieved from MasterFILE Premier database.
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