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Environmental experts have said that spraying fire retardant using planes is ineffective, expensive and a growing source of pollution for rivers and streams
As multiple wildfires continue to torch Southern California on Saturday (January 11), authorities are using planes to drop a large amount of bright pink fire retardant to curb the blaze.
Nine large retardant-spraying planes, and 20 water-dropping helicopters, were being deployed to fight the fires, the United States Forest Service said on Thursday, according to a report by The New York Times.