The proposal stemmed from a court ruling requiring the Forest Service to get permission from EPA to drop fire suppressants ...

Some of the visuals coming out of Los Angeles County over the past week show a vivid pink substance coating streets, cars and ...

As fire crews and air tankers work to block the wildfires' explosive growth, images of red clouds of fire retardant falling onto trees are common. What is it — and what's in it?

The hot-pink mix of water and chemicals, which is sprayed from planes to combat wildfires, is under renewed scrutiny.

As wildfires intensify, state and federal fire agencies are relying more on aerial fire retardant, sparking concerns over its ...

Besides Cal Fire, multiple agencies have dropped fire retardant and water, including the U.S. Forest Service, the Los Angeles and Ventura county fire departments, the city and the National Guard.

The long-term retardant is a common fire-suppression tool that has been used for more than half a century. It is approved for use by the U.S. Forest Service, however, citing environmental concerns, ...

Besides Cal Fire, multiple agencies have dropped fire retardant and water, including the U.S. Forest Service, the Los Angeles and Ventura county fire departments, the city and the National Guard.

As such, MAFFS comes with its own trailer and does not require structural modifications to the aircraft it's designed for.

According to a communications officer for Perimeter Solutions, who make PHOS-CHEK — the fire retardant used in the 2025 LA wildfires — it has been tested by the USDA Forest Service to ensure ...