Core Insights - The article discusses the significant progress made in coal consumption reduction and air quality improvement in China over the past decade, particularly in the context of the "Blue Sky Defense War" and subsequent action plans aimed at combating air pollution [1][2][3] Summary by Sections Achievements in Coal Reduction - China has cumulatively reduced coal consumption by approximately 600 million tons over the past ten years, with the clean heating rate in northern regions increasing from less than 30% in 2018 to over 80% currently [1] - The average PM2.5 concentration in the Beijing-Tianjin-Hebei region has decreased by over 50% compared to ten years ago, marking a significant milestone in air quality improvement [1][2] Clean Heating Initiatives - More than 40 million households in the Beijing-Tianjin-Hebei region have benefited from clean heating transformations, with the clean heating rate rising from 65% at the end of 2020 to approximately 83% [2] - The reduction in coal usage for residential heating in northern rural areas is projected to fall to between 5.5 million and 7.5 million tons by the end of 2024 [2] Challenges and Future Directions - Despite significant achievements, challenges remain, particularly in the northwest and northeast regions where coal consumption reduction efforts need to be sustained [3][4] - The need for a long-term mechanism to ensure the sustainability of clean heating initiatives is emphasized, as rising costs may lead to a potential rebound in coal usage [4] - The article suggests that future efforts should focus on integrating clean heating with rural economic development and enhancing the affordability of clean energy solutions [5] Policy and Innovation - The report advocates for policy innovation, technological advancements, and the exploration of new business models to address the structural and regional challenges in coal governance [6] - It highlights the importance of aligning clean heating initiatives with broader goals of energy transformation, environmental protection, and socio-economic development [6]