Department of Energy Secretary Jennifer Granholm suggested that solar panels and wind farms could be the key to ensuring world peace in the future. Solar, wind and other renewable sources would be key for the U.S. and its European allies to have energy security, Granholm said during her remarks at the U.S.-EU Energy Ministerial hosted by the State Department on Monday. The energy secretary added that fossil fuel dependence puts the West at greater risk of volatile energy prices. “High energy prices have been putting strains on households on both sides of the Atlantic,” Granholm remarked. “In Europe, you have...