Birdwatch Note Rating
2024-03-31 11:43:07 UTC - HELPFUL
Rated by Participant: F71E445C941A54B0A77A81B7C972B608C7CA443CD1680D1C775D0315D8C683C5
Participant Details
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
All Note Details