Washington Post: In this June 2015 photo, smoke rises from the Bogus Creek Fire, one of two fires then burning in the Yukon Delta National Wildlife Refuge in southwest Alaska. (Matt Snyder/Alaska Division of Forestry via Associated Press)
In recent years, climate scientists have grown increasingly concerned about a carbon problem in the far north.
The fear is that with the higher latitudes of the planet warming extremely rapidly, that heat itself, and some of its consequences -- such as raging wildfires in...