According to the work arrangement of the Ministry of Ecology and Environment in 2020, this year the focus will be on winning the blue sky defense battle, fighting the clear water defense battle and advancing the pure land defense battle. Li Ganjie revealed that this year it will continue to rectify "scattered pollution" enterprises and expand the scale of ultra-low emission transformation in the steel industry. Li Ganjie said that this year will also promote the tracing of the Yangtze River's sewage outfalls, and basically eliminate the inferior Class V national control section of the Yangtze River Basin. Start the investigation and rectification of the outfall of the Yellow River into the river. The entry of foreign garbage is banned in an all-round way, and basically zero import of solid waste will be achieved by the end of the year.