National Geographic: It sounds intuitive: Of course global warming should lead to more-and more powerful-tornadoes.
We're adding energy to the atmosphere by trapping heat with greenhouse gases, and tornadoes are the very picture of terrifying atmospheric energy.
Linking any particular weather event to climate change is always tricky, because weather is inherently random. But weather patterns can speak to a warming planet. Scientists can detect that extreme rain events, for instance, are already happening more often...