'Chemtrails': the conspiracy theory that aeroplanes are poisoning us

A video showing an aeroplane leaving behind an impressive trail has garnered hundreds of thousands of views online. Some people claimed that the video was new proof for the existence of “chemtrails“, or chemical trails, a term used by conspiracy theorists who are convinced that various governments are attempting to negatively affect the climate or human health by spreading toxic chemicals. Though this conspiracy theory is around 20 years old, it maintains a massive following. Subscribe to the Observers channel on YouTube: The Observers program brings you the best amateur images from around the world, all verified by France 24 journalists. To see more reports from our Observers – and to become an Observer yourself! – head to our website: The Observers website Twitter Facebook