On April 27, with the support of the Institute of Public Governance of Peking University, the public governance lecture "disaster risk and emergency management" sponsored by the government's environmental governance research team was held in conference room 341 of Liao Kaiyuan Building. Zheng Guoguang, Secretary General of the National Disaster Reduction Commission and director of the office of the First National Comprehensive Natural Disaster Risk Survey Leading Group of the State Council, was invited to deliver an academic speech. Nearly 200 teachers and students online and offline participated in the lecture. The lecture was presided over by Yang Lihua, head of emergency management discipline of School of government management, Peking University.