“Dr. Rosenzweig believes that some confluence of electromagnetism in the atmosphere, combined with as yet unknown or unexplained atomic ionization from the nuclear power and weaponry throughout the world, could have been ignited or triggered—perhaps by a natural cause like lightning, or even by an intelligent life-form that discovered this possibility before we did—and caused this instant action throughout the world.”
See, this is what happens when you give a job to someone unqualified. You ask what happened; they tell you lightning did it. And nukes. And the air.