FILE - In this Nov. 16, 2018, file photo, the Golden Gate Bridge is obscured by smoke and haze from wildfires in this view from Fort Baker near Sausalito, Calif. Tens of millions of people in the Western US face a growing health risk due to wildfires as more intense and frequent blazes churn out greater volumes of lung-damaging smoke, according to research scientists at NASA and several major universities. (AP Photo/Eric Risberg, File)
June 26, 2019
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June 26, 2019 4 a.m.
Smoke from western wildfires boosting health risk for millions
BILLINGS — Climate change in the Western U.S. means more intense and frequent wildfires churning out waves of smoke that scientists say will sweep across the continent to affect tens of millions of people and cause a spike in premature deaths.