Birdwatch Note Rating
2024-03-31 17:41:43 UTC - NOT_HELPFUL
Rated by Participant: CAD4144C50BE879E3977575567627679CDBB4A5CD6A4D1961EF94FA1EEBBD23C
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Original Note:
Those are contrails, which are ice crystals formed from aircraft engine exhaust. Contrails are a well-documented and normal result of high-altitude flights and are not harmful. https://www.nasa.gov/centers-and-facilities/armstrong/nasa-partners-explore-sustainable-fuels-effects-on-aircraft-contrails/ https://www.4air.aero/whitepapers/contrails-their-environmental-impact-and-emerging-regulations https://www.epa.gov/regulations-emissions-vehicles-and-engines/information-contrails-aircraft
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