Rain on the way to LA brings fears of toxic ash in wake of wildfires - Los Angeles wildfires raise concerns about the toxic pollutants they could be unleashing - After the fire: Rain on wildfire burn scars can trigger deadly debris flows. A geologist explains how - B.C. must learn to 'co-exist' with wildfires as study outlines possible dire future - Contaminated drinking water is a growing concern for cities facing wildfires - Why seawater is used as a last resort to fight wildfires - Rep. Judy Chu: Fire agencies say there is "enough water" to fight wildfires going forward - Wildfires bring pollution hazards for unhoused people in LA: 'Like breathing in lead'