Roof greening in major Chinese cities possibly afford a large potential carbon sink

Chao Yang, Yinghui Zhang, Min Chen, Song‐Ping Zhu, Yuzhi Tang, Zhixin Zhang, Wei Ma, Huizeng Liu, Junyi Chen, Bohui Tang, Dejin Zhang, Zhengdong Huang, Xu‐Qing Wang, Wei Tu, Cuiling Liu, Tiezhu Shi, Haiying Xu, Aihong Cui, Fanyi Meng, Tianhong Zhao, Kai Guo, Wenhao Guo, Bi Fan, Quande Qin, Wuyang Hong, Haishan Wu, Bing Wang, Jinrong Zeng, Ka Wai Wu, Qingquan Li