As climate change spurs more wildfires, smoke threatens farmworkers, study says

FILE - A man glances up at a tree that is blocking his way while attempting to go home after a fire ravaged the area on Mix Canyon Road in Vacaville, Calif., Aug. 20, 2020. FILE - A home on Millie May Lane is destroyed by a fire in Vacaville, Calif., on Aug. 20, 2020.

As wildfires scorched swaths of land in the wine country of Sonoma County in 2020, sending ash flying and choking the air with smoke, Maria Salinas harvested grapes.