Across the Atlantic Ocean, governments and businesses are taking big steps toward renewable energy. Their transition could provide lessons for Kentucky.
This is the fourth in a five-part series. Read the others here.
In the middle of the industrial German city of Essen, there’s a wall surrounding a property bigger than 100 soccer fields. This is Zollverein: two former coal mines and a coking plant, which is used to turn coal to coke for steelmaking. I’m here to see how a former coal complex has been reinvented over the past two decades into something that’s a genuine tourist attraction.