Business Green: The high profile Desertec solar project has moved a step closer towards delivering on its ambitious plans for solar thermal power plants across the North African desert that could one day supply Europe with energy. Italian transmission and system operator Terna confirmed last week that it has joined the Desertec Industrial Initiative (DII) as a shareholder and will provide expertise on how to integrate solar energy projects into the European grid. Meanwhile, Steg Renouvelables, …