Main "purpose" of chemtrails or geoengineering to to stop or slow down "global warming" but it's a aerosol method to do whatever they want! I suggest you watch this documentary, this will answer most all of your questions and concerns!!! *CHEMTRAILS GEOENGINEERING DOCUMENTARY-- Facts and Proof ---What Are ChemTrails? Are they Real? Do YOU care?* https://www.youtube.com/watch?v=kcBPurTip5M