"Surging wildfires on Tuesday forced new evacuations of hundreds of homes across the West, while firefighters began beating back a pair of big adjacent blazes looming over suburban Los Angeles."

"Wildfire warnings were posted across parts of three Western U.S. states on Sunday as a heat wave baked the region in record, triple-digit temperatures, stoking flames in California from the coastal foothills outside Santa Barbara to desert brush near the Mexican border."

"Fueled by hot and dry weather, wildfires threatened homes in California and other Western states as crews struggled to corral flames that have scorched miles of brush and timber."

"A wildfire spurred by strong winds has mushroomed in size as it burned brush north of Santa Barbara, forcing the evacuations of hundreds of campers, some homes, and a refinery as it crept toward the ocean."

"Firefighters are tackling larger and more aggressive wildfires as drought conditions continue for a fifth year in California, drying out swaths of forest land."

Humans have been influencing landscapes and ecosystems on a global scale for far longer than people usually think, archeologists said in a newly published study.

"Report from US Geological Survey says northern wildfires must now be seen as significant driver of climate change, not just a side-effect".

"Some 2,000 residents of wildfire-ravaged Fort McMurray, Alberta, will not be able to return home this week as planned because of the risks posed by debris and contaminants including 'caustic' ash, Alberta Premier Rachel Notley said on Monday."

"Some crude producers restarted operations on Tuesday in Canada's energy heartland as a mass evacuation of the Fort McMurray oil town entered its fourth week, though cool weather and light winds were helping firefighters dampen the blaze."

"WARSAW, Poland -- It is the last remaining relic of an ancient forest that stretched for millennia across the lowlands of Europe and Russia, a shadowy, mossy woodland where bison and lynx roam beneath towering oak trees up to 600 years old."