Global warming could cause a dramatic decline in plant species diversity on the rangelands of the Qinghai-Tibet Plateau, say Chinese and U.S. scientists.

Zhou Zhenglong, the Shaanxi farmer involved in the South China Tiger photograph controversy, has been detained by police for possessing prohibited items at home.

China's Shenzhou VII manned space mission, which will include the first spacewalk by a Chinese "taikonaut", is to launch in October, said a spokesman of the China manned space engineering office on Thursday.