Large wildfires started by power lines and other utility equipment used to be mostly exclusive to California.

But these disasters are happening more often in places affected by climate change. Extreme heat and drought wreak havoc on electrical grids that were not built or upgraded to withstand them.

For more on this, KCBS Radio news anchors Margie Shafer and Eric Thomas spoke to Dr. Scott L. Stephens, professor of fire science at UC Berkeley.