The next time authorities issue a smoke advisory telling residents of California areas previously unaffected by wildfires to stay inside with closed windows and doors until a smoke cloud passes by or ...

Pollution from wildfire smoke is increasing in the United States. Climate change is projected to exacerbate the problem, leading to 70,000 premature deaths each year by 2050. If no extra measures are ...

Three summers ago, the Caldor Fire burned its way up the Western Slope into the Tahoe Basin, scorching 221,835 acres. The fire burned for over two months, cloaking the lake and its surrounding ...

This summer, millions of people across the eastern U.S. woke up one June morning to apocalyptic orange skies and thick, choking wildfire smoke. Over the summer, massive Canadian wildfires blanketed ...

A helicopter carries a water bucket to fight a wildfire near Richfield, Utah. (Photo by harpazo_hope via Getty Images) When wildfire smoke is in the air, doctors urge people to stay indoors to avoid ...

Almond trees bloom in mid- to late February in Central California, and it’s a big deal — pollinating them is the largest managed pollination event in the world. Some 1.4 million beehives come to the ...