Climate and environment changes in China 并列题名：Climate and environment changes in China Economic and environmental problems in China Population and environment of Xinjiang in China ]llustrating the environmental changes in westrn China 并列题名：Economic and environmental problems in China Opening-up and environmental sustainability in China 并列题名：Population and environment of Xinjiang in China Resource and environment law and regulations of China Climatic,hydrologic and environmental change in Poyang lake basin