The Phase I Project Closing Meeting and Phase II Project Kick-off Meeting of the Yellow River Basin Ecological Protection and High-quality Development Strategy Research was held at the Chinese Academy of Engineering (CAE) on March 31, 2021. CAE Member Liu Xu presided over the meeting. CAE Members Shen Guofang, Du Xiangwan, Ding Yihui, Hou Li'an, Zhang Yuanhang, Wu Fengchang, Hao Jiming, Wang Jinnan, Hu Chunhong, Zhang Shougong and members of the research team attended the meeting.