久久为功，“APEC蓝”成为“北京蓝”（总书记的关切·落地的回响）

Core Points - The article emphasizes the importance of practical implementation of policies and the commitment of the Chinese government to environmental protection and air quality improvement [1][2][3] Group 1: Environmental Policy and Implementation - The Chinese government has prioritized air pollution control as a major public welfare issue, particularly in large cities like Beijing, and has initiated a comprehensive approach to environmental governance [2][3] - Specific measures taken include the analysis of PM2.5 sources, transitioning from coal to electricity and gas, and the elimination of outdated vehicles, showcasing a meticulous approach to pollution control [3][4] - The collaboration among the Beijing-Tianjin-Hebei region and surrounding cities has expanded from 2+26 to 2+36 cities to enhance air quality management [5] Group 2: Achievements in Air Quality Improvement - Since 2013, the number of heavily polluted days in China has decreased by over 90%, with a target PM2.5 average concentration of 29.3 micrograms per cubic meter by 2024 [5][8] - The average PM2.5 concentration in Beijing has dropped by 65.9% from 2013 to 2024, indicating significant progress in maintaining blue skies as a norm [8][9] - The transformation towards a greener economy is highlighted, with China becoming the fastest country in improving air quality globally, aiming for carbon peak by 2030 and carbon neutrality by 2060 [7][8] Group 3: International Cooperation and Global Impact - China has signed cooperation agreements with over 40 developing countries to combat climate change and is a major supplier of wind and solar energy equipment globally [8] - The commitment to international climate cooperation is reinforced by China's announcement of new national contributions at the UN climate summit, aiming for a climate-adaptive society by 2035 [8]