黄河干流水质连续3年稳定保持Ⅱ类

Core Insights - The water quality of the Yellow River has maintained Class II standards for three consecutive years, marking a significant achievement in ecological protection and high-quality development since it became a national strategy [1][2] - The proportion of good water quality (Class I-III) in the Yellow River basin has increased from 66.4% in 2018 to over 90% currently, while the proportion of poor water quality (Class V) has decreased to zero [1][2] Group 1 - The Yellow River is crucial for the drinking water supply of over 50 major cities and more than 400 counties in the region [1] - The ecological environment supervision and management bureau has implemented a coordinated management mechanism across nine provinces along the Yellow River, conducting joint law enforcement to address significant ecological issues [2] - The return of native species such as Lure fish and the greening of the Mu Us Desert, with over 90% vegetation coverage, indicate ecological improvements [2] Group 2 - Since the 18th National Congress, the GDP of the nine provinces along the Yellow River has increased by 126%, while water consumption per unit of GDP, energy intensity, carbon emissions, and ammonia nitrogen emissions have decreased by 55%, 44%, 43%, and 84.6% respectively [2] - The Yellow River basin has achieved a dual reduction in resource consumption and pollution emissions while ensuring economic and social operations [2]