In the wake of the first Gulf War, the U.S. Army assessed Saudi Arabia’s solar energy resource potential in a classified effort to determine how oil fires had affected the region. The results were clear and surprising. In addition to being a vast petroleum repository, the desert nation was also the heart of the most potentially productive region on the planet for harvesting power from the sun. In other words, Saudi Arabia was the Saudi Arabia of solar energy. Sitting in the center of the so-called Sun Belt, the country is part of a vast, rainless region reaching from the western edge of North Africa to the eastern edge of Central Asia that boasts the best solar energy resources on Earth. With the cost of oil skyrocketing, this belt is attracting the attention of a growing number of European leaders, who are embracing an ambitious proposal to harvest this solar energy for their nations. The irony is inescapable and the story a familiar one, as the developed world again turns to the less developed countries in hopes of powering their economies. More important, it highlights an unappreciated implication of a solar-powered economy: The end of the oil […]