Robert Siegel has been an NPR host for 30 years. What's behind his interest in speech and voice?
How Land Use Is Affecting Northern California Wildfires
At least 23 people have died and 3,500 structures have burned in the wildfires sweeping across Northern California; an estimated 170,000 acres have burned so far and authorities have ordered evacuations in a number of towns.
To get a sense of the scope of what’s happening there, I’m joined by Don Falk. He's a professor in the School of Natural Resources and the Environment at the University of Arizona, and studies fire history and ecology.