"Chemtrails" are an unsubstantiated conspiracy theory that's existed for decades, despite being consistently debunked by scientists. But with several US states looking to ban geoengineering, this conspiracy theory has escalated its way into actual US legislation that could result in real-life laws. The US Health Secretary Robert F. Kennedy Jr. has endorsed the non-existent chemtrails, even blaming them on a particular US government agency. Vedika Bahl explains in Truth or Fake.