Feature: China presents "concrete" solutions for desertification control at COP16

RIYADH, Dec. 7 (Xinhua) -- Gazing at the goji berries in his hands, Ibrahim Thiaw, executive secretary of the United Nations Convention to Combat Desertification (UNCCD), was amazed by the taste and economic value of the little red berries grown in China's northwestern Ningxia Hui Autonomous Region.

"Four billion U.S. dollars?" Thiaw looked thrilled when learning of the annual output value the goji berry industr