Analysis of the use of commercial aircraft tracks

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Analysis of the use of commercial aircraft tracks for climate engineering has shown them to be generally unsuitable.[50]

Astronomer Bob Berman has characterized the chemtrail conspiracy theory as a classic example of failure to apply Occam's razor, writing in 2009 that instead of adopting the long-established "simple solution" that the trails consist of frozen water vapour, "the conspiracy web sites think the phenomenon started only a decade ago and involves an evil scheme in which 40,000 commercial pilots and air traffic controllers are in on the plot to poison their own children."[51]

A 2016 study surveying 77 atmospheric scientists concluded that "76 out of 77 (98.7%) of scientists that took part in this study said there was no evidence of a [secret large-scale atmospheric program (SLAP)], and that the data cited as evidence could be explained through other factors, such as typical contrail formation and poor data sampling instructions presented on SLAP websites."[52][53]

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Debunked: CIA Director admits chemtrails, geoengineering, stratospheric aerosol injection

A recent speech by CIA director John O. Brennan at the Council on Foreign Relations mentioned geoengineering, specifically stratospheric aerosol injection.
https://www.metabunk.org/debunked-cia-directo...ion.t7721/


Claim:
• CIA director John O. Brennan at the Council admits geoengineering in the form of stratospheric aerosol injection (SAI) is taking place, ie "chemtrails".


Rebuttal:

• Nowhere in his speech is there an "admission" that a SAI program is already taking place. The part where Brennan mentions geoengineering is just one example out of several, not-often-mentioned issues that CIA monitors for potential (future) elements of instability in the world. A SAI program, if ever implemented, could generate conflicts and security threats if misused. It's CIA's job to consider all types of concepts for potential future problems and threats, including science oriented concepts.

Reading the whole transcript, and the relevant parts, it becomes clear that when Brennan brings up geoengineering, he is talking about future concepts, that may never be put into practice:

This is the context of the speech:

add: time stamp 4:30 in full speech video attached below/c-span

I’ll start with the overarching challenge of instability, which continues to grip large sections of the globe.

Global instability is one of the defining issues of our time, and its implications are hard to overstate. As instability spreads, extremists and terrorists are finding sanctuary in ungoverned spaces. Energy supplies are being disrupted. Political reform is suffering as too many governments opt for authoritarian measures at the expense of democratic principles and respect for human rights.

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