Guangzhou, a global metropolis in southern China’s Pearl River Delta, is an active member of the Global Platform for Sustainable Cities (GPSC). The city contributes to the network by sharing its experiences in sustainable mobility, waste management, and the integration of urban nature into dense metropolitan areas. As the host of the 2025 GPSC Asian Regional Academy, Guangzhou is fostering knowledge exchange on nature-based solutions, climate resilience, and inclusive governance. Through its participation, the city supports peer learning across the GPSC network, highlighting how large, fast-growing cities can embed biodiversity and green infrastructure into urban transformation while sustaining economic vitality.