evidence: "This is not contrails that are coming off of the back of an engine or back of the plane," says the video’s narrator. "These are chemtrails — barium, strontium, aluminum, all kinds of pollutants that they're putting into our atmosphere which comes down, trickles down, gets into our soil, gets into our water." [...] PolitiFact has debunked other claims involving "chemtrails." The evidence remains: chemtrails aren’t real. [...] More by Loreben Tuquero ‘Chemtrails’ are not causing diseases. They’re not real.