Core Viewpoint - The article highlights the efforts and advancements in clean heating initiatives across various regions in China, particularly focusing on the implementation of geothermal heating in Tibet and waste-to-energy systems in Hebei, aiming to ensure a warm winter while promoting environmental sustainability [1] Group 1: Clean Heating Initiatives - Tibet's Naqu City, the highest prefecture-level city in China, has launched the largest geothermal heating project, achieving zero pollution and zero emissions by overcoming technical challenges [1] - Over 90% of the population in regions above 5000 meters in Tibet, including Lhasa, Naqu, Ali, and Shigatse, now benefit from clean heating solutions [1] Group 2: Waste-to-Energy Transformation - In Qiu County, Hebei, a new waste incineration heating system has transformed municipal waste into a clean heat source, meeting the heating needs of 75% of local residential communities [1] Group 3: Government Investment and Impact - Since 2017, the Chinese government has invested 132.07 billion yuan to support clean heating renovations in 88 cities in northern China, successfully replacing coal for approximately 41 million households [1]