What is the chemtrail conspiracy?
This widely debunked conspiracy theory has some people believing that “‘chemtrails”—visible clouds of vapour left in the sky by aircraft—contain poisonous chemicals designed to achieve mass sterilisation and weather control.1
Plane nonsense, surely
You would think so. But apparently Robert F Kennedy Jr isn’t so sure: the US health secretary has said that he plans to do “everything in my power to stop it.” …
