全国地表水优良比例首超九成

Group 1 - The core viewpoint of the articles highlights significant improvements in China's surface water quality over the past decade, with the proportion of Class I-III water quality sections increasing from 64.5% in 2015 to 90.4% in 2024, marking a rise of 25.9 percentage points [1] - In 2024, the proportion of good surface water quality sections is expected to reach 90.4%, an increase of 1.0 percentage point year-on-year, achieving the "14th Five-Year Plan" target ahead of schedule [1] - The Yangtze River and Yellow River have maintained Class II water quality for five and three consecutive years, respectively, while Taihu Lake has reached its best water quality level since monitoring began [1] Group 2 - The Ministry of Ecology and Environment plans to expand its monitoring network to include more tributaries and small water bodies, reflecting the water conditions closer to the public [2] - The water ecological environment goals will shift from merely focusing on the proportion of Class III water quality to a more comprehensive "good water body proportion," incorporating ecological indicators alongside physical and chemical metrics [2]