Chinese cities like Zhenjiang, Qingdao, Guangzhou, and Shenzhen are leading the way in implementing climate solutions at the city level. Initiatives include reducing food waste, developing zero-waste cities, managing energy and carbon emissions, and promoting green industries. Shenzhen has become a world-class 'supercharging city' with a high market penetration of EVs and plans to pilot vehicle-to-grid interaction. Dalian is increasing its renewable energy capacity and developing clean energy industries, including hydrogen-based energy. Wuhan has completed a sponge city pilot project to improve flood control and ecological functions, while also focusing on green, low-carbon development. Municipal leaders in these cities are emphasizing the importance of environmental protection and sustainable development, showcasing practical blueprints for international climate action and the importance of local solutions in achieving global net-zero pathways.