Water and environmental authorities in south China’s Guangxi Zhuang autonomous region are working to control cadmium pollution in a local river, while ruling out the possibility that water sources for Hong Kong and Macao have been contaminated.
Water and environmental authorities in south China’s Guangxi Zhuang autonomous region are working to control cadmium pollution in a local river, while ruling out the possibility that water sources for Hong Kong and Macao have been contaminated.