Looking at the way intense rainfall can cause massive flows of mud, rocks, boulders, and anything in its path, this episode helps you understand how to manage the risk o debris flows that often follows fires on steep hillsides and mountains. Dr. Jones talks about the hydrophobic chemicals that make this type of terrain so susceptible to this deadly hazard. Consider how society manages this risk: building more interventions to stop mud, water, and debris from inundating neighborhoods leading to death and destruction. How would you manage this risk, as you manage risks every day? Dr Jones says, "don't underestimate the risk."