GGW-BDF: an online tool for using earth observation and Chinese ecosystem restoration experiences in support of the Great Green Wall initiative. - Xiaosong Li; Tong Shen; Amos Tiereyangn Kabo-Bah; Jie Liu; Jianhui Li; Changyong Dou; Yingchao Piao; Xiaoxia Jia; Qi Lu; Huailin Wu; Ziyu Yang; Yubo Zhi; et al. (Int. J. Digit. Earth, 2024)