Xinjiang nature reserve sees increasing number of rare animals 700 trained Chinese sturgeons released into Yangtze China uses internet to get citizens started with garbage disposal China-Russia pipeline work progresses Yunnan's pristine lake sparkles as people make new efforts to protect it River cleanup draws praise Extensive measures taken to save local species Photographer warns of danger to rare bird and Hulukou hydropower plant listens City district picture-perfect again Green is gold in space-savvy downtown Shanghai China's air quality improves in March East China bridge redesigned to save porpoises' habitat Chengdu greenway's floral beauty draws spring tourists Snow leopards thrive under protection Eco-friendly toilet to be set up on Mt. Qomolangma Inner Mongolia sees mass return of rare birds 'Green' officials more likely to head cities Efficiency up, pollution down in farming sector 700 Chinese sturgeons released into Yangtze River