Birdwatch Note Rating
2024-12-01 06:58:43 UTC - HELPFUL
Rated by Participant: DC2D6BD8DD829156E9B7B0B838C65C6C087D82CF6FD50675454B7D0E6644A80D
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Original Note:
The white lines in the sky are contrails, they formed when the water in jet exhaust freezes in very cold, humid air. Thus, they have been making persistent clouds since the earliest days of flight. The claim of a secret chemtrail spraying program has been debunked https://www.researchgate.net/profile/Annette-Ryan/publication/235351579_World_War_II_contrails_A_case_study_of_aviation-induced_cloudiness/links/5c3506e0a6fdccd6b59d7c61/World-War-II-contrails-A-case-study-of-aviation-induced-cloudiness.pdf https://ntrs.nasa.gov/api/citations/19930093080/downloads/19930093080.pdf https://journals.ametsoc.org/view/journals/mwre/49/7/1520-0493_1921_49_412c_cfbsp_2_0_co_2.xml https://web.archive.org/web/20161220071351/https://carnegiescience.edu/node/2077
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