A series of solar and wind farms sprouting across the Sahara desert may electrify much of North Africa and even parts of Europe. Christopher Coats examines this massive renewable energy project and its challenges of time, funding and political will. For the better part of the last century, the economic and political potential of many North African nations has been measured by their ability to exploit the region’s vast energy reserves. Algeria, Egypt and Libya have offered oil and gas fortunes to those willing to look past a volatile political setting. Tunisia and Morocco have provided more modest opportunities as…