Competition between biogeochemical drivers and land-cover changes determines urban greening or browning - Li, Long (Nanjing University. International Institute for Earth System Science) ; Zhan, Wenfeng (Nanjing University. International Institute for Earth System Science) ; Ju, Weimin (Nanjing University. International Institute for Earth System Science) ; Peñuelas, Josep (Centre de Recerca Ecològica i d'Aplicacions Forestals) ; Zhu, Zaichun (Peking University. Peking University Shenzhen Graduate School) ; Peng, Shushi (Peking University. Sino-French Institute for Earth System Science) ; Zhu, Xiaolin (The Hong Kong Polytechnic University. Department of Land Surveying and Geo-Informatics) ; Liu, Zihan (Nanjing University. International Institute for Earth System Science) ; Zhou, Yuyu (Iowa State University. Department of Geological and Atmospheric Sciences) ; Li, Jiufeng (Nanjing University. International Institute for Earth System Science) ; Lai, Jiameng (Nanjing University. International Institute for Earth System Science) ; Huang, Fan (Nanjing University. International Institute for Earth System Science) ; Yin, Gaofei (Southwest Jiaotong University) ; Fu, Yongshuo (Beijing Normal University) ; Li, Manchun (Nanjing University) ; Yu, Chao (Chinese Academy of Sciences. The Aerospace Information Research Institute)