‘Underground peat fires are bedeviling: They refuse to die, even when flooded with water. Could this new weapon put them down for good?… “Smoldering is the most persistent type of combustion on earth, because it’s really easy to start and very difficult to stop,” says Imperial College London engineer Guillermo Rein, co-author of a new paper describing the work in the International Journal of Wildland Fire. “They call them zombie fires, but the equivalent would be like an army of zombies. They are very, very difficult to suppress.”
— via Atlas Obscura