Towering flames as tall as a building, impenetrable black smoke, and miles upon miles of destruction: wildfires are horrific killers. The danger of widespread wildfires has never been higher, and their lethal and destructive power is only expected to increase. This episode examines why wildfires have become so much more catastrophic, and looks at some of the worst fires over the past decade.

Towering flames as tall as a building, impenetrable black smoke, and miles upon miles of destruction: wildfires are horrific killers. The danger of widespread wildfires has never been higher, and their lethal and destructive power is only expected to increase. This episode examines why wildfires have become so much more catastrophic, and looks at some of the worst fires over the past decade.