Donkin the only operational underground coal mine in Canada closed in 2020 after a series of roof cave-ins and a provincial stop-work order. The ventilation fan that causes Donkin’s constant noise pulls fresh air into the mine to dilute methane and prevent explosions.
The Donkin Mine in Cape Breton, located at the tip of the island close to the Atlantic Ocean, was shut down in 2020 due to unsafe working conditions the mine’s roof collapsed over a dozen times during its last years of operation.