Core Viewpoint - The 2024 China Ecological Environment Status Bulletin indicates continuous improvement in ecological environment quality and stable environmental safety across the country [1] Air Quality - The average concentration of PM2.5 in cities at or above the prefecture level reached 29.3 micrograms per cubic meter, a decrease of 2.7% from 2023 - The proportion of days with good air quality was 87.2%, an increase of 1.7 percentage points from 2023 - The proportion of heavily polluted days was 0.9%, a decrease of 0.7 percentage points from 2023 - The average PM2.5 concentrations in the Beijing-Tianjin-Hebei region, Yangtze River Delta, and Fenwei Plain decreased by 0.9%, 0.9%, and 4.8% respectively compared to 2023 [2] Surface Water Quality - The proportion of surface water quality in categories I to III was 90.4%, an increase of 1.0 percentage points from 2023 - The proportion of water quality in category V or worse was 0.6%, a decrease of 0.1 percentage points from 2023 - Among 210 key lakes and reservoirs, the proportion of those with good water quality was 77.1%, an increase of 2.5 percentage points from 2023 - The water quality in major river basins such as the Yangtze and Yellow Rivers remained stable at category II for several consecutive years [3] Marine Water Quality - The proportion of coastal waters meeting Class I standards in summer was 97.7%, a decrease of 0.2 percentage points from 2023 - The overall quality of nearshore marine waters remained stable, with 83.7% classified as good (Class I and II) [4] Soil Environment - The overall heavy metal content in key soil risk monitoring points showed a declining trend, indicating initial control over soil pollution - The safety utilization rate of contaminated arable land reached 92% - The rate of rural domestic sewage treatment exceeded 45% [5] Natural Ecology - The Ecological Quality Index (EQI) value was 59.95, indicating a "Category II" ecological quality, reflecting rich biodiversity and high coverage of natural ecosystems - The forest coverage rate exceeded 25% [6] Noise Environment - The daytime and nighttime compliance rates for noise environment in cities at or above the prefecture level were 95.8% and 88.2% respectively, with a slight decrease in daytime compliance [7] Nuclear and Radiation Safety - No significant nuclear or radiation incidents occurred, with the annual occurrence rate of radiation accidents remaining below one per ten thousand sources - The overall radiation environment quality was good [8] Climate Change Response - The proportion of coal consumption in total energy consumption was 53.2%, a decrease of 1.6 percentage points from 2023 - The share of clean energy sources in total energy consumption rose to 28.6%, an increase of 2.2 percentage points from 2023 - The cumulative transaction volume of carbon emission rights reached 630 million tons, with a total transaction value of 43.033 billion yuan [9] Solid Waste and New Pollutants Management - The construction of "waste-free cities" is being advanced, with 113+8 cities and regions accelerating the implementation of related tasks - New pollutant management initiatives are being launched in key river basins, focusing on specific pollutants and industries [10]

Group 1 - The conference on "Governance of New Pollutants and Building a Beautiful and Healthy World" was successfully held during the 2025 Conference of the Parties to the Basel, Rotterdam, and Stockholm Conventions, emphasizing international cooperation in environmental governance [1][2] - China aims to deepen international collaboration in the governance of persistent organic pollutants (POPs) through sharing governance experiences, promoting technological innovation, and building a rule system [1][2] - The conference featured discussions on innovative pathways for the harmless management of chemicals and waste, focusing on global compliance with the Stockholm Convention and the role of technology in environmental governance [2][3] Group 2 - The 2025 Conference of the Parties took place in Geneva, Switzerland, with over 150 countries and 2000 representatives from various international organizations participating [3] - An exhibition titled "Invisible Pollution, Tangible Action: China's Compliance Achievements and Practices" was held to showcase China's successful experiences in implementing the Stockholm Convention and improving chemical and waste management [3]