Major fires continue to burn in Arizona and across Canada, impacting the air quality for millions of people. An air purifier can help, but it depends on the filter.

A wildfire along the Grand Canyon’s North Rim grew rapidly over the weekend and destroyed a historic lodge and visitors center ...

A wildfire that tore through a historic Grand Canyon lodge and raged out of control Monday had been allowed to burn for days before erupting over the weekend, raising scrutiny over the National Park ...

From the Central Valley of California to Midwestern battlegrounds and suburban districts of the northeast, the new law ...

WASHINGTON (AP) — Federal Reserve Chair Jerome Powell has asked an inspector general to review the cost of the central bank’s ...

Parks Canada has issued a wildfire emergency advisory alert for Prince Albert National Park. A wildfire is about 40 kilometres from the Waskesiu townsite, and air quality is poor due to smoke.

With parts of Manitoba, Ontario and Quebec under air quality alerts due to wildfire smoke, Dr. Christopher Carlsten with the ...

A team of Stanford scientists found that pre-burning certain areas reduced the severity of future wildfires by as much as 16% ...