The 2007 fire was probably the first for that area in 6,500 years, according to scientific evidence examined later, Higuera said. But the wait for the next big burn won't be nearly as long, according to the evidence gathered in the study.

Sockeye wildfire at mile post 77 of the George Parks Highway near Willow.

A wildfire north of Delta Junction has reignited. The more than 8,000-acre South Fork Salcha Fire was started by lightning earlier this month in a remote area about 70 miles southeast of Fairbanks.

Wildfire and smoke seen from Hatcher Pass, AK

A haze surrounding the hills had a distinct smell of burned wood.

Crews continue to work a 13-hectare blaze about 40 kilometres northwest of Haines Junction. The risk of wildfire is now considered 'extreme' in many parts of the territory.

Smoke from a wildfire in southwestern Greenland is hampering the wild reindeer hunt on the Arctic island, best known for its ice rather than burning grass and bushes.

Smokey air

In some recent years, GHG emissions from BC wildfires have been more than from all other sectors put together

Smokey air as a result of wildfires to the north and south of Anchorage.

Hundreds of firefighters and dozens of aircraft are working to contain the largest wildfire ever recorded in British Columbia's history, and it could take weeks to get it under control.

Residents were amazed to see lightning actually arching down to the ground.

Looking around the deserted plaza in front of the Sandman Centre arena in Kamloops on Monday, it’s hard to believe that last month it was crammed with thousands of people who were looking for help after being forced from their homes by wildfires.

Hazy fourth of July...

British Columbia has declared a state of emergency and thousands have been evacuated.

Residents puzzled about origins of underground fire.

The Canadian Red Cross says an additional 1,500 people from the Garden Hill First Nation in Manitoba have been given evacuation orders due to wildfire smoke in the Island Lake area.

Mass evacuations were ordered in what is being called one of the most destructive fire emergencies in the state’s history.

Wildfires are sweeping B.C.

A major wildlife rehabilitation facility is bracing for the devastating impact of the B.C. wildfires on birds and mammals.

Hot, dry weather over the northern Interior is keeping wildfire season alive longer than normal.

The dozens of wildfires burning in the West are a symptom of our increasingly variable climate.

Of the 89 wildfires burning across Alaska right now, several are in the northern part of the state, either in the Arctic or near its southern boundary.

The smoke from massive wildfires hangs like fog over large parts of the U.S. West, an irritating haze causing health concerns, forcing sports teams to change schedules and disrupting life from Seattle to tiny Seeley Lake, Montana.

Dry conditions fuel dozens of fires and result in a state of emergency across the Siberian Federal District.

Fires have wreaked havoc this summer with Yakutia and the Yamalo-Nenets autonomous the latest to be hard hit.

Los Angeles County's La Tuna Fire is one of 29 burning across the state, and "is the largest fire in the history of L.A. city," Mayor Eric Garcetti said.

Environment Canada says these smoky conditions could remain until Wednesday.

There have been 1,249 fires that have burned through roughly 1,173,886 hectares in B.C.

Wildfires burned through thousands of acres of Great Plains farm and ranch land in the 1980s. Today, wildfires are likely to char millions of acres. The