Add Yahoo as a preferred source to see more of our stories on Google. Authorities battling a series of large wildfires in the Los Angeles area have employed a bright red fire retardant to tamp the ...

Aerial fire suppressants are generally a mixture of water, ammonium phosphate — essentially fertilizer — and iron oxide, which is added to make the retardant visible, said Daniel McCurry, a civil and ...

Aircraft battling fires raging through the Los Angeles area are dousing the area with more than water: Hundreds of thousands of gallons of hot-pink fire suppressant have been dropped ahead of the ...

This story is free to read because readers choose to support LAist. If you find value in independent local reporting, make a donation to power our newsroom today. Not long after the Palisades Fire ...

It’s widely used because it can slow flames in ways that water can’t. But it also contains heavy metals and other harmful compounds. By Hiroko Tabuchi From above the raging flames, these planes can ...

Flame retardants slow the spread of fires but they can have serious, unintended human health and environmental impacts. Inadequate toxicity testing and inconsistent regulations make it difficult to ...

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 ...