You don't have to be outdoors to be hurt or injured by a nearby lightning strike, like this one in New Mexico. The pain for survivors can be lifelong. Marko Korosec/Barcroft Media/Landov hide caption

itoggle caption Marko Korosec/Barcroft Media/Landov

Lightning strikes near Ben Hill Griffin Stadium at Florida Field in Gainesville, Fla., in August. A new study says a rise in average global temperatures due to climate change will increase the frequency of lightning strikes. Phil Sandlin/AP hide caption

itoggle caption Phil Sandlin/AP