North China Plain is experiencing a transition to substantial environmental protection: taking PM2.5 as an example
Yangyang Zhang1, Xj Liu1, Katie Benedict2,3, Li Lu4, Aohan Tang1 and Jeffrey Lee Collett Jr5, (1)CAU China Agricultural University, Beijing, China, (2)Colorado State University, Fort Collins, CO, United States, (3)Colorado State University, Atmospheric Science, Fort Collins, CO, United States, (4)Tianjin University, Tianjin, China, (5)Colorado State University, Department of Atmospheric Science, Fort Collins, United States