Governor Jared Polis has declared an emergency in Montrose, Delta, and Mesa counties due to raging wildfires, including the ...

Wildfire smoke degrades air quality in swaths of Ontario, with Toronto ranking among the worst in the world on Monday.

Firefighters in Arizona were trying to contain a pair of fast-moving wildfires that destroyed a historic lodge in Grand ...

Wildfires have scorched hotspots in several Mediterranean countries this month, with blazes forcing thousands of people into ...

With a pump and a sprinkler, one Palisades resident thinks he can help Californians protect their homes from fire. Experts ...

The Chicago area recorded ozone levels of 156 late Monday afternoon. Levels above 100 are considered unhealthy. Residents ...

At least four firefighters have been injured over the last week while battling three wildfires in Northern California forests ...

Greenhouse gas emissions, mainly from burning coal, oil and gas, have heated the planet by about 1.3 degrees Celsius since ...

Heavy winds that swept through Black Canyon of the Gunnison National Park on Sunday night started “rapid fire spread” after a ...

By BEN FINLEY Nearly 5 million people visited the Grand Canyon last year, from day trippers and campers to people sleeping ...

Wildfires are raging near the Grand Canyon National Park, forcing the closure of the park’s northern rim. One of the ...

Gov. Jared Polis issued a disaster declaration Sunday for five wildfires burning in several of the state's counties — here's ...