Radioactive Chemtrails: Thorium Oxide and Geoengineering In a Hughes Aircraft Company patent, US 5003186A (1990-1991), it is described how the radioactive compound thorium oxide is being used “for the reduction of global warming.” As is always the case, also in this patent human activity is being… Chemtrails Must Stop!October 20, 2015October 20, 2015 Uncategorized Radioactive Chemtrails: Thorium Oxide and GeoengineeringRead more