Claim: The long clouds seen behind planes at high altitudes are poisonous 'chemtrails'.
Fact-check: Aircraft chemtrails conspiracy is long overdue for departure
Verdict: false. the formations are non-hazardous condensation trails formed by water vapour and particles emitted from a jet engine's exhaust.
Organisation: Australian Associated Press
Author: William Summers
Date published: 2023-06-29T00:00:00