MTSU engineering technology professor and researcher Mina Mohebbi is shown with the WMOT-FM Roots Radio logo superimposed over a photo of the Boxberg Power Station operating in the distance with the Nochten surface mine in the foreground near Weisswasser, Saxony, Eastern Germany in this photo from Pexels. Boxberg burns lignite, or brown coal, considered the most harmful to the environment, to generate steam-electric power about 125 miles southeast of Frankfurt. (Photo by Torsten Kellermann/Pexels)