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

Chao Yang; Yinghui Zhang; Min Chen; Song Zhu; Yuzhi Tang; Zhixin Zhang; Wei Ma; Huizeng Liu; Junyi Chen; Bohui Tang; Dejin Zhang; Zhengdong Huang; Xuqing 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