Xinhua: Yang Qingshan understands the benefits of renewable energy — for rich and poor alike. The east China abalone farmer has become a millionaire supplying the luxury seafood to wealthy diners. But it would never have been possible without the row of 19 massive wind turbines that sit alongside his fish farm off Putian city, Fujian Province. Wind power has provided a stable electricity supply to Yang and more than 50,000 other people living on the island of Nanri (“the sun in …