The "Chinese City Carbon Peak & Carbon Neutrality Index Summary Report(2020-2021)" was released recently. Through a comprehensive evaluation of climate ambition, low-carbon status, and emission reduction trends, it was confirmed that among the 110 key cities involved in the initial evaluation, eastern developed cities such as Beijing, Shenzhen, Guangzhou, Shanghai, and central and western cities such as Wuhan and Chengdu are leading the national "dual carbon" action.