This report underscores the dynamic partnership of the People's Republic of China (PRC) and ADB in environmental protection and ecological conservation, rural economy, green livable cities, and climate change mitigation and adaptation. The green development partnership between the PRC and ADB has evolved over the years. In the report, best practices, innovations, and lessons learned from this partnership offer insights for ADB, its developing member countries, and other development partners. The report also presents forward-looking directions for further collaboration by the PRC and ADB in pursuit of a more sustainable future.