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Sat, July 04

Scientists believe invasive grass contributes to Tucson wildfire; saguaros at risk

A Wildfire air attack crew douses saguaro cacti with water as they battle the Bighorn Fire, Friday, June 12, 2020, in Tucson, Ariz. Some scientists have long feared that the encroachment of buffelgrass into the Sonoran Desert would trigger massive, destructive fires from which native desert plants would never recover. (AP Photo/Matt York)

A Wildfire air attack crew douses saguaro cacti with water as they battle the Bighorn Fire, Friday, June 12, 2020, in Tucson, Ariz. Some scientists have long feared that the encroachment of buffelgrass into the Sonoran Desert would trigger massive, destructive fires from which native desert plants would never recover. (AP Photo/Matt York)

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