In Bosnia, the path to renewables runs through its coal mines
At 250 metres underground, the dust is thick and oxygen is in short supply at the Mramor mine in northeastern Bosnia. The facility is the largest underground mine in the country and has long provided the fuel for the nearby Tuzla power station. But its future - like that of mines across the country - is now all but settled, as the Balkan nation prepares to decarbonise the country by 20