1 See a doctor if canker sores are accompanied by fever, last more than three weeks, or the affected individual has difficulty swallowing.  Multiple factors may cause canker sores, including injury to the mouth, acidic or spicy foods, vitamin deficiencies, hormones, stress, or autoimmune disorders.
Horror at the world's largest solar farm days after it opens as it is revealed panels are SCORCHING birds that fly over them. 1  The Ivanpah Solar Electric Generating System, the world's largest solar plant of its kind, recently switched on. 2  The plants is located on five square miles of the Mojave Desert, near the California / Nevada border.
Below we look at some of the top solar energy companies today. Solar panels on Chinaâs Birdâs Nest Olympic stadium were supplied by one of the worldâs top solar companies, Suntech. Suntech was one of Chinaâs first solar energy companies and is now the worldâs largest silicon solar panel producer. The company has grown quickly since its establishment in September 2001 and now has a presence in 80 countries worldwide and a dynamic research and development team spread across five countries.