LiveScience: Subarctic wildfire frequency is higher now than it has been at any other point in the last 10,000 years, new records show.
The records, obtained from charcoal in the Yukon Flats of Alaska, have revealed the history of wildfire activity in the region known as the subarctic, the area just south of the Arctic Circle, from North America to Scandinavia and Siberia, where boreal forests dominate and winters are long and dark.
But what the higher frequency of wildfires spells for the subarctic in...