Authorities battling a series of large wildfires in the Los Angeles area have employed a bright red fire retardant to tamp the flames, leading to dramatic images of the material blanketing scores ...

Authorities battling a series of large wildfires in the Los Angeles area have employed a bright red fire retardant to tamp the flames, leading to dramatic images of the material blanketing scores of ...

It's apparent that these red trails are used to stop the spread of wildfires, but what makes up fire retardant and why is it different than only using water to fight wildfires? A structure burns ...

Authorities battling a series of large wildfires in the Los Angeles area have employed a bright red fire retardant to tamp the flames, leading to dramatic images of the material blanketing scores ...

Also, sign up for NPR's breaking news alerts. Air tankers are dropping thousands of gallons of red flame retardant in the hills around Los Angeles as firefighters attempt to limit the devastation ...

Authorities battling a series of large wildfires in the Los Angeles area have employed a bright red fire retardant to tamp the flames, leading to dramatic images of the material blanketing scores ...